private static void addDropDownAction(Notification notification, NotificationActionPanel actionPanel) {
    DropDownAction action = new DropDownAction(notification.getDropDownText(), (link, ignored) -> {
      NotificationActionPanel parent = (NotificationActionPanel)link.getParent();
      DefaultActionGroup group = new DefaultActionGroup();
      for (LinkLabel<AnAction> actionLink : parent.actionLinks) {
        if (!actionLink.isVisible()) {
          group.add(actionLink.getLinkData());
        }
      }
      showPopup(notification, link, group, actionPanel.popupAlarm);
    });
    Notification.setDataProvider(notification, action);
    action.setVisible(false);
    actionPanel.addGroupedActionsLink(action);
  }
private static void addDropDownAction(Notification notification, NotificationActionPanel actionPanel)