}

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code
   * Collections.reverse(Booleans.asList(array))}, but is likely to be more efficient.
   *
   * @since 23.1
   */
  public static void reverse(boolean[] array) {
    checkNotNull(array);
    reverse(array, 0, array.length);
  }

  /**

  }

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code
   * Collections.reverse(Booleans.asList(array))}, but is likely to be more efficient.
   *
   * @since 23.1
   */
  public static void reverse(boolean[] array) {
    checkNotNull(array);
    reverse(array, 0, array.length);
  }

  /**

    assertThat(Ints.stringConverter().reverse().convert(null)).isNull();
  }

  public void testStringConverter_reverse() {
    Converter<String, Integer> converter = Ints.stringConverter();
    assertThat(converter.reverse().convert(1)).isEqualTo("1");
    assertThat(converter.reverse().convert(0)).isEqualTo("0");
    assertThat(converter.reverse().convert(-1)).isEqualTo("-1");

    assertTrue(SortedIterables.hasSameComparator(Ordering.natural(), Maps.newTreeMap().keySet()));
    assertTrue(
        SortedIterables.hasSameComparator(
            Ordering.natural().reverse(), Sets.newTreeSet(Ordering.natural().reverse())));
  }

  public void testComparator() {
    assertEquals(Ordering.natural(), SortedIterables.comparator(Sets.newTreeSet()));
  }

  }

  @Override
  @SuppressWarnings("nullness") // should be safe, but not sure if we can avoid the warning
  public <S extends @Nullable T> Ordering<S> reverse() {
    // ordering.reverse() might be optimized, so let it do its thing
    return ordering.<T>reverse().<@NonNull S>nullsLast();
  }

  @SuppressWarnings("unchecked") // still need the right way to explain this
  @Override

    Arrays.sort(array, fromIndex, toIndex);
    reverse(array, fromIndex, toIndex);
  }

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code
   * Collections.reverse(Chars.asList(array))}, but is likely to be more efficient.
   *
   * @since 23.1
   */
  public static void reverse(char[] array) {
    checkNotNull(array);
    reverse(array, 0, array.length);
  }

  /**

    Arrays.sort(array, fromIndex, toIndex);
    reverse(array, fromIndex, toIndex);
  }

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code
   * Collections.reverse(Shorts.asList(array))}, but is likely to be more efficient.
   *
   * @since 23.1
   */
  public static void reverse(short[] array) {
    checkNotNull(array);
    reverse(array, 0, array.length);
  }

  /**

    Arrays.sort(array, fromIndex, toIndex);
    reverse(array, fromIndex, toIndex);
  }

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code
   * Collections.reverse(Shorts.asList(array))}, but is likely to be more efficient.
   *
   * @since 23.1
   */
  public static void reverse(short[] array) {
    checkNotNull(array);
    reverse(array, 0, array.length);
  }

  /**

    assertThat(Doubles.stringConverter().reverse().convert(null)).isNull();
  }

  @GwtIncompatible // Double.toString returns different value in GWT.
  public void testStringConverter_reverse() {
    Converter<String, Double> converter = Doubles.stringConverter();
    assertThat(converter.reverse().convert(1.0)).isEqualTo("1.0");
    assertThat(converter.reverse().convert(0.0)).isEqualTo("0.0");

    Arrays.sort(array, fromIndex, toIndex);
    reverse(array, fromIndex, toIndex);
  }

  /**
   * Reverses the elements of {@code array}. This is equivalent to {@code
   * Collections.reverse(Ints.asList(array))}, but is likely to be more efficient.
   *
   * @since 23.1
   */
  public static void reverse(int[] array) {
    checkNotNull(array);
    reverse(array, 0, array.length);
  }

  /**