docs: def clone_to(self, target_repo):
          """stub"""
          new_asset = target_repo.duplicate_asset(self.my_osid_object.ident)
          form = target_repo.get_asset_form_for_update(new_asset.ident)
          form.set_provenance(str(self.my_osid_object.ident))
          return target_repo.update_asset(form)