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