* #entrySet}. If you override {@link #entrySet}, you may wish to override {@link #isEmpty} to
   * forward to this implementation.
   *
   * @since 7.0
   */
  protected boolean standardIsEmpty() {
    return !entrySet().iterator().hasNext();
  }

  /**
   * A sensible definition of {@link #equals} in terms of the {@code equals} method of {@link

    }

    @Override
    public Iterator<T> iterator() {
      return standardIterator();
    }

    @Override
    public boolean isEmpty() {
      return standardIsEmpty();
    }

    @Override
    public int size() {
      return standardSize();
    }
  }

  @AndroidIncompatible // test-suite builders
  public static Test suite() {

   * #entrySet}. If you override {@link #entrySet}, you may wish to override {@link #isEmpty} to
   * forward to this implementation.
   *
   * @since 7.0
   */
  protected boolean standardIsEmpty() {
    return !entrySet().iterator().hasNext();
  }

  /**
   * A sensible definition of {@link #equals} in terms of the {@code equals} method of {@link