firstInKeyInsertionOrder = node;
    } else {
      lastInKeyInsertionOrder.nextInKeyInsertionOrder = node;
    }
    lastInKeyInsertionOrder = node;
  }

  private void insertSplicingIntoIterationOrder(
      Node<K, V> node,
      @Nullable Node<K, V> prevInKeyInsertionOrder,
      @Nullable Node<K, V> nextInKeyInsertionOrder) {
    insertIntoHashBucketsOnly(node);