/guava/guava/src/com/google/common/collect/FilteredEntryMultimap.java
return removeEntriesIf ( Maps.<K>keyPredicateOnEntries ( not ( in ( c ) ) ) ) ;
@Override public boolean removeAll(Collection<?> c) { return removeEntriesIf(Maps.<K>keyPredicateOnEntries(in(c))); } @Override public boolean retainAll(Collection<?> c) { <extra_id_0> } @Override public boolean remove(@CheckForNull Object o) { return AsMap.this.remove(o) != null; } }