* @param b second value to compare.
   * @throws ClassCastException if the parameters are not <i>mutually comparable</i> using the given
   *     comparator.
   * @since 30.0
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T max(
      @ParametricNullness T a, @ParametricNullness T b, Comparator<? super T> comparator) {

   * @param b second value to compare.
   * @throws ClassCastException if the parameters are not <i>mutually comparable</i> using the given
   *     comparator.
   * @since 30.0
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T max(
      @ParametricNullness T a, @ParametricNullness T b, Comparator<T> comparator) {
    return (comparator.compare(a, b) >= 0) ? a : b;
  }