code: public static void sortDescending(int[] array, int fromIndex, int toIndex) {
      checkNotNull(array);
      checkPositionIndexes(fromIndex, toIndex, array.length);
      for (int i = fromIndex; i < toIndex; i++) {
        array[i] ^= Integer.MAX_VALUE;
      }
      Arrays.sort(array, fromIndex, toIndex);
      for (int i = fromIndex; i < toIndex; i++) {
        array[i] ^= Integer.MAX_VALUE;
      }
    }
docs: Sorts the elements of {@code array} between {@code fromIndex} inclusive and {@code toIndex}
  exclusive in descending order, interpreting them as unsigned 32-bit integers.
  
  @since 23.1