code: public static void swap(byte[] byteArray1, byte[] byteArray2, int index) {
          TrivialSwap.swap(byteArray1, index, byteArray2, index);
      }
docs: Swap the elements of two byte arrays at the same position
  
  @param byteArray1 one of the arrays that will have one of its values swapped.
  @param byteArray2 the other array that will have one of its values swapped.
  @param index the index of the arrays that will have their values swapped.