return
		}
		// Volume is not attached (or doesn't implement attacher), kubelet attach is disabled, wait
		// for controller to finish attaching volume.
		klog.V(5).InfoS(volumeToMount.GenerateMsgDetailed("Starting operationExecutor.VerifyControllerAttachedVolume", ""), "pod", klog.KObj(volumeToMount.Pod))

	// It then updates the actual state of the world to reflect that.
	UnmountDevice(deviceToDetach AttachedVolume, actualStateOfWorld ActualStateOfWorldMounterUpdater, hostutil hostutil.HostUtils) error

	// VerifyControllerAttachedVolume checks if the specified volume is present
	// in the specified nodes AttachedVolumes Status field. It uses kubeClient
	// to fetch the node object.

			VolumeName: v1.UniqueVolumeName(pdName),
		}
		logger, _ := ktesting.NewTestContext(t)
		oe.VerifyControllerAttachedVolume(logger, volumesToMount[i], types.NodeName("node-name"), nil /* actualStateOfWorldMounterUpdater */)
	}

	// Assert
	if !isOperationRunSerially(ch, quit) {
		t.Fatalf("VerifyControllerAttachedVolume should not run concurrently")
	}
}

}

var _ OperationGenerator = &operationGenerator{}

type operationGenerator struct {
	// Used to fetch objects from the API server like Node in the
	// VerifyControllerAttachedVolume operation.
	kubeClient clientset.Interface

	// volumePluginMgr is the volume plugin manager used to create volume
	// plugin objects.
	volumePluginMgr *volume.VolumePluginMgr