@Override
    protected void matchGap(int start1, int end1, int start2, int end2) {
      CharSequence inner1 = myText1.subSequence(start1, end1);
      CharSequence inner2 = myText2.subSequence(start2, end2);
      FairDiffIterable innerChanges = ByCharRt.compare(inner1, inner2, myIndicator);

      for (Range chunk : innerChanges.iterateUnchanged()) {
        myBuilder.markEqual(start1 + chunk.start1, start2 + chunk.start2, chunk.end1 - chunk.start1);
      }
    }
@Override
    protected void matchGap(int start1, int end1, int start2, int end2)