new_arrange_block       Arrange block constructor
new_bind_cols_block     Bind Columns Block Constructor
new_bind_rows_block     Bind Rows Block Constructor
new_filter_block        Filter block constructor
new_filter_expr_block   Expression filter block constructor
new_join_block          Join block constructor
new_mutate_expr_block   Mutate expression block constructor
new_pivot_longer_block
                        Pivot Longer block constructor
new_pivot_wider_block   Pivot Wider block constructor
new_rename_block        Rename block constructor
new_select_block        Select block constructor
new_separate_block      Separate block constructor
new_slice_block         Slice block constructor
new_summarize_block     Summarize block constructor
new_summarize_expr_block
                        Summarize expression block constructor
new_unite_block         Unite block constructor
