private void onMouseEnter() {
      myIconLabel.setIcon(myHighlightedIcon);
      setBorder(LightBulbUtil.createActiveBorder(myEditor));

      String acceleratorsText = KeymapUtil.getFirstKeyboardShortcutText(
        ActionManager.getInstance().getAction(IdeActions.ACTION_SHOW_INTENTION_ACTIONS));
      if (!acceleratorsText.isEmpty()) {
        myIconLabel.setToolTipText(CodeInsightBundle.message("lightbulb.tooltip", acceleratorsText));
      }
    }
private void onMouseEnter()