question: returns an empty pcollectionlist that is part of the given pipeline . longer pcollectionlists can be created by calling #and on the result . concode_field_sep Pipeline pipeline concode_elem_sep List<PCollection<T>> pcollections concode_field_sep Collection<? extends PValue> expand concode_elem_sep List<PCollection<T>> getAll concode_elem_sep int size concode_elem_sep Pipeline getPipeline concode_elem_sep void recordAsOutput concode_elem_sep OutputT apply concode_elem_sep OutputT apply concode_elem_sep PCollectionList<T> and concode_elem_sep PCollectionList<T> and concode_elem_sep PCollectionList<T> of concode_elem_sep PCollectionList<T> of concode_elem_sep PCollection<T> get concode_elem_sep void finishSpecifying concode_elem_sep void finishSpecifyingOutput
target: PCollectionList < T > function ( Pipeline arg0 ) { return new PCollectionList < > ( arg0 ) ; }