/guava/guava/src/com/google/common/graph/MapIteratorCache.java
Entry<K, V> entry = null.next( ) ;
Entry<K, V> entry = entryIterator.next ( ) ;
@Override public boolean hasNext() { return entryIterator.hasNext(); } @Override public K next() { <extra_id_0> cacheEntry = entry; return entry.getKey(); } }; } @Override