*/
    public <T extends B> MinMaxPriorityQueue<T> create(Iterable<? extends T> initialContents) {
      MinMaxPriorityQueue<T> queue =
          new MinMaxPriorityQueue<>(
              this, initialQueueSize(expectedSize, maximumSize, initialContents));
      for (T element : initialContents) {
        queue.offer(element);
      }
      return queue;
    }