* A sensible definition of {@link #contains} in terms of {@link #count}. If you override {@link
   * #count}, you may wish to override {@link #contains} to forward to this implementation.
   *
   * @since 7.0
   */
  @Override
  protected boolean standardContains(@CheckForNull Object object) {
    return count(object) > 0;
  }

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

   * A sensible definition of {@link #contains} in terms of {@link #count}. If you override {@link
   * #count}, you may wish to override {@link #contains} to forward to this implementation.
   *
   * @since 7.0
   */
  @Override
  protected boolean standardContains(@CheckForNull Object object) {
    return count(object) > 0;
  }

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