if (devices.empty()) {
    return errors::NotFound(
        "Failed to create a CPU device for EncapsulateSubgraphsPass");
  }

  std::unique_ptr<DeviceMgr> device_mgr =
      std::make_unique<StaticDeviceMgr>(std::move(devices));
  const auto* config = &options.session_options->config;
  std::unique_ptr<ProcessFunctionLibraryRuntime> pflr(
      new ProcessFunctionLibraryRuntime(