private RangeHighlighter findExistingHighlighter(int startOffset, int endOffset, TextAttributes attributes) {
    MarkupModelEx markupModel = (MarkupModelEx)mySearchResults.getEditor().getMarkupModel();
    RangeHighlighter[] existing = new RangeHighlighter[1];
    markupModel.processRangeHighlightersOverlappingWith(startOffset, startOffset, highlighter -> {
      if (highlighter.getUserData(SEARCH_MARKER) != null &&
          highlighter.getStartOffset() == startOffset && highlighter.getEndOffset() == endOffset &&
          Objects.equals(highlighter.getTextAttributes(mySearchResults.getEditor().getColorsScheme()), attributes)) {
        existing[0] = highlighter;
        return false;
      }
      return true;
    });
    return existing[0];
  }
private RangeHighlighter findExistingHighlighter(int startOffset, int endOffset, TextAttributes attributes)