*exported_model.mutable_graph_def() = graph_def;
  exported_model.set_init_node_name(std::string(init_node_name));
  exported_model.set_checkpoint_dir(std::string(checkpoint_dir));

  exported_model.mutable_function_aliases()->insert(function_aliases.begin(),
                                                    function_aliases.end());

  for (const AssetFileDef& asset_file_def : asset_file_defs) {