docs: public int parseNaturalIntAscii(final int index, final int length)
      {
          if (SHOULD_BOUNDS_CHECK)
          {
              boundsCheck0(index, length);
          }
  
          final int end = index + length;
          int tally = 0;
          for (int i = index; i < end; i++)
          {
              tally = (tally * 10) + AsciiEncoding.getDigit(i, getByteWithoutBoundsCheck(i));
          }
  
          return tally;
      }