/guava/guava/src/com/google/common/collect/LinkedListMultimap.java
previous = previous ;
previous = tail;
@CheckForNull Node<K, V> previous; int expectedModCount = modCount; NodeIterator(int index) { int size = size(); checkPositionIndex(index, size); if (index >= (size / 2)) { <extra_id_0> nextIndex = size; while (index++ < size) { previous(); } } else { next = head;