/guava/android/guava/src/com/google/common/collect/AbstractMapBasedMultimap.java
validateIterator ( ) ; return delegateIterator.hasNext ( ) ;
if (delegate != originalDelegate) { throw new ConcurrentModificationException(); } } @Override public boolean hasNext() { <extra_id_0> } @Override @ParametricNullness public V next() { validateIterator(); return delegateIterator.next();