private void highlightUsages() {
    List<RangeHighlighter> newHighlighters = mySearchResults.getMatchesCount() < mySearchResults.getMatchesLimit()
                                             ? addNewHighlighters() : Collections.emptyList();
    clearUnusedHighlighters();
    myHighlighters.addAll(newHighlighters);
    updateInSelectionHighlighters();
  }
private void highlightUsages()