returns an empty keyedpcollectiontuple on the given pipeline . concode_field_sep CoGbkResultSchema schema concode_elem_sep Pipeline pipeline concode_elem_sep TupleTag<V> tupleTag concode_elem_sep Coder<K> keyCoder concode_elem_sep PCollection<KV<K,V>> pCollection concode_elem_sep List<TaggedKeyedPCollection<K,?>> keyedCollections concode_field_sep PCollection<KV<K,V>> getCollection concode_elem_sep List<TaggedKeyedPCollection<K,?>> copyAddLast concode_elem_sep OutputT apply concode_elem_sep OutputT apply concode_elem_sep boolean isEmpty concode_elem_sep CoGbkResultSchema getCoGbkResultSchema concode_elem_sep void finishSpecifying concode_elem_sep Collection<? extends PValue> expand concode_elem_sep TupleTag<V> getTupleTag concode_elem_sep Pipeline getPipeline concode_elem_sep KeyedPCollectionTuple<K> and concode_elem_sep KeyedPCollectionTuple<K> of concode_elem_sep Coder<K> getKeyCoder concode_elem_sep Coder<K> getKeyCoder concode_elem_sep List<TaggedKeyedPCollection<K,?>> getKeyedCollections
KeyedPCollectionTuple < K > function ( Pipeline arg0 ) { return new KeyedPCollectionTuple < > ( arg0 ) ; }