@Override
    public void valueChanged(@NotNull ListSelectionEvent e) {
      clearSelection();
      updateDialectsCombo(null);
      updateExtensionsCombo();
      int ind = myRefs.getSelectedIndex();
      PsiElement element = getPsiElement();
      if (ind > -1 && element != null) {
        PsiReference[] references = element.getReferences();
        if (ind < references.length) {
          TextRange textRange = references[ind].getRangeInElement();
          TextRange range = InjectedLanguageManager.getInstance(myProject).injectedToHost(element, element.getTextRange());
          int start = range.getStartOffset();
          PsiElement rootPsiElement = myTreeStructure.getRootPsiElement();
          if (rootPsiElement != null) {
            int baseOffset = rootPsiElement.getTextRange().getStartOffset();
            start -= baseOffset;
          }

          start += textRange.getStartOffset();
          int end = start + textRange.getLength();
          //todo[kb] probably move highlight color to the editor color scheme?
          TextAttributes highlightReferenceTextRange = new TextAttributes(null, null,
                                                                          JBColor.namedColor("PsiViewer.referenceHighlightColor", 0xA8C023),
                                                                          EffectType.BOLD_DOTTED_LINE, Font.PLAIN);
          myListenerHighlighter = myEditor.getMarkupModel()
            .addRangeHighlighter(start, end, HighlighterLayer.LAST,
                                 highlightReferenceTextRange, HighlighterTargetArea.EXACT_RANGE);
        }
      }
    }
@Override
    public void valueChanged(@NotNull ListSelectionEvent e)