@Nullable
  public LineRange getResultRange() {
    ApplyPatchViewer.MyModel model = myViewer.getModel();
    int lineStart = model.getLineStart(myIndex);
    int lineEnd = model.getLineEnd(myIndex);

    if (lineStart != -1 || lineEnd != -1) return new LineRange(lineStart, lineEnd);
    return null;
  }
@Nullable
  public LineRange getResultRange()