*localVolume
	readOnly bool
}

var _ volume.BlockVolumeMapper = &localVolumeMapper{}
var _ volume.CustomBlockVolumeMapper = &localVolumeMapper{}

// SetUpDevice prepares the volume to the node by the plugin specific way.
func (m *localVolumeMapper) SetUpDevice() (string, error) {
	return "", nil
}

// MapPodDevice provides physical device path for the local PV.
func (m *localVolumeMapper) MapPodDevice() (string, error) {

                            entry.value().get(), &builder);

    auto device_list = mlir::cast<ArrayAttr>(
        replicate.getDevices().value().get(execute_launch.getDevice()));
    copy_with_layout->setAttr(kDeviceAttr,
                              device_list.getValue()[entry.index()]);

    entry.value().set(copy_with_layout);
  }
  return true;
}

    // Map aliased devices to explicit devices based on replica.
    if (auto launch = dyn_cast<tf_device::LaunchOp>(op))
      if (auto device_by_replica = devices.value().get(launch.getDevice()))
        launch->setAttr(
            kDeviceAttr,
            device_by_replica.cast<ArrayAttr>()[replica_id].cast<StringAttr>());

    return WalkResult::advance();
  });