builder.getStringAttr("__tf_saved_model_variables"),
        /*filename=*/
        builder.getStringAttr(io::JoinPath(kSavedModelVariablesDirectory,
                                           kSavedModelVariablesFilename)));
    variable_and_assets.push_back(
        {input_.meta_graph_def().saver_def().filename_tensor_name(),
         variable_filename_op});