nxt_cache_handler       Drop-in cache handler for the nordstat family
nxt_clear               Clear cached queries from the nordstatExtras
                        backend
nxt_close               Close a nordstatExtras cache handle
nxt_flush               Flush pending async writes
nxt_gc                  Garbage-collect stale cache rows
nxt_is_backend          Detect whether a cache location should use the
                        nordstatExtras backend
nxt_open                Open or create a nordstatExtras SQLite cache
nxt_search              Full-text search across cached metadata
nxt_write_async         Enqueue an asynchronous cache write
