@NotNull
    @Override
    protected AsyncChangesTreeModel getChangesTreeModel() {
      return SimpleAsyncChangesTreeModel.create(grouping -> {
        Collection<Change> allChanges = ChangeListManager.getInstance(myProject).getAllChanges();
        return TreeModelBuilder.buildFromChanges(myProject, grouping, allChanges, null);
      });
    }
@NotNull
    @Override
    protected AsyncChangesTreeModel getChangesTreeModel()