/guava/guava/src/com/google/common/collect/LinkedListMultimap.java
next = current.next;previous = current = next;
previous = current = next;
@Override public Node<K, V> next() { checkForConcurrentModification(); if (next == null) { throw new NoSuchElementException(); } <extra_id_0> next = next.next; nextIndex++; return current; } @Override public void remove() {