/guava/android/guava/src/com/google/common/collect/AbstractMapBasedMultimap.java
removeIfEmpty( ) ;
refreshIfEmpty ( ) ;
} else { map.put(key, delegate); } } @Override public int size() { <extra_id_0> return delegate.size(); } @Override public boolean equals(@CheckForNull Object object) { if (object == this) { return true;