existingVolumes: []v1.UniqueVolumeName{"vol1"},
			existingNode: &v1.Node{
				ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname, Labels: map[string]string{v1.LabelOSStable: goruntime.GOOS, v1.LabelArchStable: goruntime.GOARCH}},
				Status: v1.NodeStatus{
					VolumesInUse: []v1.UniqueVolumeName{"vol1"},
				},
			},
			expectedReportedInUse: []v1.UniqueVolumeName{"vol1"},
		},
		{

	volumesPerPlugin := make(map[string][]*volume.Spec)
	// volumeSpecMap maps from a volume spec to its unique volumeName which will be used
	// when calling MarkVolumeAsDetached
	volumeSpecMap := make(map[*volume.Spec]v1.UniqueVolumeName)

	// Iterate each volume spec and put them into a map index by the pluginName
	for _, volumeAttached := range attachedVolumes {
		if volumeAttached.VolumeSpec == nil {

	}

	return nil
}

func waitForVolumeDetach(
	volumeName v1.UniqueVolumeName,
	volumeManager kubeletvolume.VolumeManager) error {
	attachedVolumes := []v1.UniqueVolumeName{}
	err := retryWithExponentialBackOff(
		time.Duration(50*time.Millisecond),
		func() (bool, error) {
			// Verify volumes detached

		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
	if in.VolumesInUse != nil {
		in, out := &in.VolumesInUse, &out.VolumesInUse
		*out = make([]UniqueVolumeName, len(*in))
		copy(*out, *in)
	}
	if in.VolumesAttached != nil {
		in, out := &in.VolumesAttached, &out.VolumesAttached
		*out = make([]AttachedVolume, len(*in))
		copy(*out, *in)
	}

		for i := range *in {
			(*in)[i].DeepCopyInto(&(*out)[i])
		}
	}
	if in.VolumesInUse != nil {
		in, out := &in.VolumesInUse, &out.VolumesInUse
		*out = make([]UniqueVolumeName, len(*in))
		copy(*out, *in)
	}
	if in.VolumesAttached != nil {
		in, out := &in.VolumesAttached, &out.VolumesAttached
		*out = make([]AttachedVolume, len(*in))
		copy(*out, *in)
	}