}
  *queue_runner_def.mutable_close_op_name() = close_op;
  *queue_runner_def.mutable_cancel_op_name() = cancel_op;
  for (const auto& error_code : queue_closed_error_codes) {
    *queue_runner_def.mutable_queue_closed_exception_types()->Add() =
        error_code;
  }
  return queue_runner_def;
}

std::unique_ptr<Session> BuildSessionAndInitVariable(
    const GraphDef& graph_def) {
  SessionOptions options;