resource.initialize = &objects->concrete_functions[child_node_id];
      } else if (child.local_name() == "_destroy_resource" &&
                 obj_graph.nodes(child.node_id()).kind_case() ==
                     SavedObject::kFunction) {
        resource.destroy_resource = &objects->concrete_functions[child_node_id];
      }
    }
  }

  objects->signatures_map = std::move(signatures_map);

      }
    }

    TFConcreteFunction* destroy_resource = nullptr;
    if (resource_revival_state.destroy_resource != nullptr) {
      destroy_resource = revived->concrete_functions.Find(
          resource_revival_state.destroy_resource->node_id);
      if (destroy_resource == nullptr) {
        return absl::FailedPreconditionError(absl::StrCat(
            "'destroy_resource' function with node id ",