const std::string filename_tensor_name = FindFilePrefixTensorName(graph_def);
  const std::string restore_op_name =
      GetNodeName(control_ret_node_names, kTfSavedModelInitializerRestoreType);
  const std::string save_node_name =
      GetNodeName(control_ret_node_names, kTfQuantSaveOpName);

  const std::vector<absl::string_view> fields = {
      filename_tensor_name, restore_op_name, save_node_name};

  ASSERT_TRUE(TextFormat::ParseFromString(
      R"pb(filename_tensor_name: "my_file")pb", &saver_def));

  const ExportedModel exported_model = CreateExportedModelFromGraphDef(
      GraphDef(), /*init_node_name=*/"", /*checkpoint_dir=*/"", saver_def,
      /*function_aliases=*/{}, /*asset_file_defs=*/{});
  EXPECT_THAT(exported_model.saver_def().filename_tensor_name(), "my_file");
}

// Creates a new `SaverDef` instance, which contains information regarding
// checkpoint saving and restoring. This function returns a `SaverDef` instance
// with four fields populated: `version`, `filename_tensor_name`,
// `restore_op_name` and `save_tensor_name`. For valid quantized `graph_def` and
// `control_ret_node_names`, it should be able to retrieve the last three fields
// if there is at lest one variable in the graph.
//

    TF_RETURN_IF_ERROR(RunRestore(run_options, export_dir,
                                  meta_graph.saver_def().restore_op_name(),
                                  meta_graph.saver_def().filename_tensor_name(),
                                  asset_file_defs, session->get()));
  }
  // Record walltime spent in restoring graph from disk, but postpone metric
  // increments until graph init finishes.

                                           kSavedModelVariablesFilename)));
    variable_and_assets.push_back(
        {input_.meta_graph_def().saver_def().filename_tensor_name(),
         variable_filename_op});
    variable_and_assets.insert(variable_and_assets.end(), assets.begin(),
                               assets.end());

    const auto& restore_op_name =