* to this implementation.
   *
   * @since 7.0
   */
  protected void standardPutAll(Map<? extends K, ? extends V> map) {
    Maps.putAllImpl(this, map);
  }

  /**
   * A sensible, albeit inefficient, definition of {@link #remove} in terms of the {@code iterator}
   * method of {@link #entrySet}. If you override {@link #entrySet}, you may wish to override {@link
   * #remove} to forward to this implementation.
   *

     * best we can do (since logging may overflow the stack) is to let the error propagate. Because
     * it is an Error, it won't be caught and logged by AbstractFuture.executeListener. Instead, it
     * can propagate through many layers of AbstractTransformFuture up to the root call to set().
     *
     * https://github.com/google/guava/issues/2254
     *
     * Other kinds of Errors are possible:
     *

  public final V getOrDefault(@CheckForNull Object key, @CheckForNull V defaultValue) {
    /*
     * Even though it's weird to pass a defaultValue that is null, some callers do so. Those who
     * pass a literal "null" should probably just use `get`, but I would expect other callers to
     * pass an expression that *might* be null. This could happen with:
     *
     * - a `getFooOrDefault(@CheckForNull Foo defaultValue)` method that returns

    return containsKey(key) ? removeFromBothMaps(key) : null;
  }

  @CanIgnoreReturnValue
  @ParametricNullness
  private V removeFromBothMaps(@CheckForNull Object key) {
    // The cast is safe because the callers of this method first check that the key is present.
    V oldValue = uncheckedCastNullableTToT(delegate.remove(key));
    removeFromInverseMap(oldValue);
    return oldValue;
  }

   * full range of <a
   * href="https://docs.oracle.com/javase/9/docs/api/java/util/Formatter.html#syntax">format
   * specifiers</a>, and alert you to usage errors by throwing {@link
   * java.util.IllegalFormatException}.
   *
   * <p>In certain cases, such as outputting debugging information or constructing a message to be

    }
  }

  /*
   * For a discussion of the signature of verifyNotNull, see the discussion above
   * Preconditions.checkNotNull.
   *
   * (verifyNotNull has many fewer "problem" callers, so we could try to be stricter. On the other
   * hand, verifyNotNull arguably has more reason to accept nullable arguments in the first
   * place....)
   */

  /**

     * sizing; if the Set uses different equality semantics, it might contain duplicates according
     * to equals(), and we will deduplicate those properly, albeit at some cost in allocations.
     */
    int expectedSize =
        elements instanceof Set ? array.length : estimatedSizeForUnknownDuplication(array.length);
    return fromArrayWithExpectedSize(array, expectedSize);

                })
            .named("MinMaxPriorityQueue")
            .withFeatures(CollectionSize.ANY, CollectionFeature.GENERAL_PURPOSE)
            .createTestSuite());
    return suite;
  }

  // Overkill alert!  Test all combinations of 0-2 options during creation.

  public void testCreation_simple() {
    MinMaxPriorityQueue<Integer> queue = MinMaxPriorityQueue.create();
    assertEquals(11, queue.capacity());

   * Internal constructor. Users should use {@link PairedStatsAccumulator#snapshot}.
   *
   * <p>To ensure that the created instance obeys its contract, the parameters should satisfy the
   * following constraints. This is the callers responsibility and is not enforced here.
   *
   * <ul>
   *   <li>Both {@code xStats} and {@code yStats} must have the same {@code count}.
   *   <li>If that {@code count} is 1, {@code sumOfProductsOfDeltas} must be exactly 0.0.

    return containsKey(key) ? removeFromBothMaps(key) : null;
  }

  @CanIgnoreReturnValue
  @ParametricNullness
  private V removeFromBothMaps(@CheckForNull Object key) {
    // The cast is safe because the callers of this method first check that the key is present.
    V oldValue = uncheckedCastNullableTToT(delegate.remove(key));
    removeFromInverseMap(oldValue);
    return oldValue;
  }