* cases you may need to cast that to {@code Comparator<YourType>}).
   *
   * @since 13.0
   */
  public static Ordering<@Nullable Object> allEqual() {
    return AllEqualOrdering.INSTANCE;
  }

  /**
   * Returns an ordering that compares objects by the natural ordering of their string
   * representations as returned by {@code toString()}. It does not support null values.
   *