/guava/guava/src/com/google/common/collect/Multisets.java
return multiset( ).iterator( ) ;
return multiset ( ) .isEmpty ( ) ;
@Override public boolean containsAll(Collection<?> c) { return multiset().containsAll(c); } @Override public boolean isEmpty() { <extra_id_0> } @Override public abstract Iterator<E> iterator(); @Override public boolean remove(@CheckForNull Object o) { return multiset().remove(o, Integer.MAX_VALUE) > 0;