@Override
  public void loadState(@NotNull State state) {
    clearViewStateIfNeeded(state);
    myState = state;
    for (ServiceViewState viewState : myState.viewStates) {
      viewState.treeState = TreeState.createFrom(viewState.treeStateElement);
    }
    loadGroups();
  }
@Override
  public void loadState(@NotNull State state)