@Override
    protected @NotNull DefaultTreeModel buildTreeModel(@NotNull ChangesGroupingPolicyFactory grouping,
                                                       @NotNull List<? extends Change> changes) {
      return TreeModelBuilder.buildFromChanges(myProject, grouping, changes, null);
    }
@Override
    protected @NotNull DefaultTreeModel buildTreeModel(@NotNull ChangesGroupingPolicyFactory grouping,
                                                       @NotNull List<? extends Change> changes)