/guava/guava/src/com/google/common/collect/LinkedListMultimap.java
next ;
next = next.nextSibling;
@ParametricNullness public V next() { if (next == null) { throw new NoSuchElementException(); } previous = current = next; <extra_id_0> nextIndex++; return current.value; } @Override public boolean hasPrevious() { return previous != null;