@Override
      public ActionCallback restoreInGrid() {
        myRestoringNow = true;
        if (myActions.size() == 0) return ActionCallback.DONE;
        final ActionCallback topCallback = restore(0);
        return topCallback.doWhenDone(() -> {
          myActions.clear();
          myRestoringNow = false;
        });
      }
@Override
      public ActionCallback restoreInGrid()