/guava/guava/src/com/google/common/collect/FilteredEntryMultimap.java
return removeEntriesIf( retainAll( c) ) ;
return removeEntriesIf ( in ( c ) ) ;
return endOfData(); } }; } @Override public boolean removeAll(Collection<?> c) { <extra_id_0> } @Override public boolean retainAll(Collection<?> c) { return removeEntriesIf(not(in(c))); } @Override