/guava/guava/src/com/google/common/collect/FilteredKeySetMultimap.java
return Sets.hashCodeImpl ( this ) ;
Set<Entry<K, V>> createEntries() { return new EntrySet(); } class EntrySet extends Entries implements Set<Entry<K, V>> { @Override public int hashCode() { <extra_id_0> } @Override public boolean equals(@CheckForNull Object o) { return Sets.equalsImpl(this, o); } }