node.nextInKeyInsertionOrder = null;
    node.nextInKToVBucket = null;
    node.nextInVToKBucket = null;

    size--;
    modCount++;
  }

  private void insertPlacingAtEndOfIterationOrder(Node<K, V> node) {
    insertIntoHashBucketsOnly(node);

    node.prevInKeyInsertionOrder = lastInKeyInsertionOrder;
    if (lastInKeyInsertionOrder == null) {
      firstInKeyInsertionOrder = node;