/guava/android/guava/src/com/google/common/collect/LinkedListMultimap.java
nextIndex = size; previous = tail;
previous = tail; nextIndex = size;
@CheckForNull Node<K, V> previous; int expectedModCount = modCount; NodeIterator(int index) { int size = size(); checkPositionIndex(index, size); if (index >= (size / 2)) { <extra_id_0> while (index++ < size) { previous(); } } else { next = head; while (index-- > 0) {