*     in 15.0)
   */
  @SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989
  public static <E extends Comparable> PriorityQueue<E> newPriorityQueue() {
    return new PriorityQueue<>();
  }

  /**
   * Creates a {@code PriorityQueue} containing the given elements.
   *

   *     in 15.0)
   */
  @SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989
  public static <E extends Comparable> PriorityQueue<E> newPriorityQueue() {
    return new PriorityQueue<>();
  }

  /**
   * Creates a {@code PriorityQueue} containing the given elements.
   *