@Nullable
    @Override
    public ActionGroup getPopupMenuActions() {
      // TODO[inline-bp]: show some menu with the list of all breakpoints with some actions for them (remove, edit, ...)
      // TODO[inline-bp]: alt+enter actions are completely broken for multiple breakpoints:
      //                   all actions are mixed and it's hard to separate them
      //                   and it's non trivial to add batch actions "toggle all", "remove all", ...
      //                   see GutterIntentionMenuContributor.collectActions.
      //                   Moreover it might be a good idea to show breakpoint actions on alt+enter only if cursor is in breakpoint's range
      return super.getPopupMenuActions();
    }
@Nullable
    @Override
    public ActionGroup getPopupMenuActions()