array
Aggregation iteratorAll same as expected testerArray to string concatenatorBuilderConcatenatorContains testerDistinct items filterEmptiness testerFilterFirst item getterFlattenerHas same length testerItem appenderItem deleterItem getterItem inserterItem prependerIteration aggregatorIteratorJSON parserLast item getterLength getterMapperOrder reverserOrder reverser (mutable)ReducerRepeaterSlicerSorterSplitterStep iteratorStep iterator (manual tags)Step mapperType testerWrapper