"k8s.io/utils/exec"

	// Volume plugins
	"k8s.io/kubernetes/pkg/volume"
	"k8s.io/kubernetes/pkg/volume/configmap"
	"k8s.io/kubernetes/pkg/volume/csi"
	"k8s.io/kubernetes/pkg/volume/downwardapi"
	"k8s.io/kubernetes/pkg/volume/emptydir"
	"k8s.io/kubernetes/pkg/volume/fc"
	"k8s.io/kubernetes/pkg/volume/flexvolume"
	"k8s.io/kubernetes/pkg/volume/git_repo"
	"k8s.io/kubernetes/pkg/volume/hostpath"
	"k8s.io/kubernetes/pkg/volume/iscsi"

	"k8s.io/kubernetes/pkg/features"
	"k8s.io/kubernetes/pkg/volume"
	"k8s.io/kubernetes/pkg/volume/csimigration"
	"k8s.io/kubernetes/pkg/volume/portworx"
)

type probeFn func() []volume.VolumePlugin

func appendPluginBasedOnFeatureFlags(logger klog.Logger, plugins []volume.VolumePlugin, inTreePluginName string, featureGate featuregate.FeatureGate, pluginInfo pluginInfo) ([]volume.VolumePlugin, error) {

	"k8s.io/kubernetes/pkg/volume"
	"k8s.io/kubernetes/pkg/volume/configmap"
	"k8s.io/kubernetes/pkg/volume/csi"
	"k8s.io/kubernetes/pkg/volume/downwardapi"
	"k8s.io/kubernetes/pkg/volume/emptydir"
	"k8s.io/kubernetes/pkg/volume/fc"
	"k8s.io/kubernetes/pkg/volume/git_repo"
	"k8s.io/kubernetes/pkg/volume/hostpath"
	"k8s.io/kubernetes/pkg/volume/iscsi"
	"k8s.io/kubernetes/pkg/volume/local"
	"k8s.io/kubernetes/pkg/volume/nfs"

// supported by an in-tree plugin to CSI
func TranslateInTreeSpecToCSI(spec *volume.Spec, podNamespace string, translator InTreeToCSITranslator) (*volume.Spec, error) {
	var csiPV *v1.PersistentVolume
	var err error
	inlineVolume := false
	if spec.PersistentVolume != nil {
		csiPV, err = translator.TranslateInTreePVToCSI(spec.PersistentVolume)
	} else if spec.Volume != nil {

	volumeStatsHealthAbnormalDesc = metrics.NewDesc(
		metrics.BuildFQName("", kubeletmetrics.KubeletSubsystem, kubeletmetrics.VolumeStatsHealthStatusAbnormalKey),
		"Abnormal volume health status. The count is either 1 or 0. 1 indicates the volume is unhealthy, 0 indicates volume is healthy",
		[]string{"namespace", "persistentvolumeclaim"}, nil,
		metrics.ALPHA, "")
)

type volumeStatsCollector struct {
	metrics.BaseStableCollector

			return FileInfoVersions{}, err
		}
		versions, err = xlMeta.ListVersions(volume, path, allParts)
	}
	if err == nil && len(versions) == 0 {
		// This special case is needed to handle len(xlMeta.versions) == 0
		versions = []FileInfo{
			{
				Volume:   volume,
				Name:     path,
				Deleted:  true,
				IsLatest: true,
				ModTime:  timeSentinel1970,
			},
		}
	}
	if err != nil {

}

// Returns whole-file bitrot writer.
func newWholeBitrotWriter(disk StorageAPI, volume, filePath string, algo BitrotAlgorithm, shardSize int64) io.WriteCloser {
	return &wholeBitrotWriter{disk, volume, filePath, shardSize, algo.New()}
}

// Implementation to verify bitrot for the whole file.
type wholeBitrotReader struct {
	disk       StorageAPI
	volume     string
	filePath   string
	verifier   *BitrotVerifier // Holds the bit-rot info

	"k8s.io/kubernetes/pkg/features"
	"k8s.io/kubernetes/pkg/volume"
	"k8s.io/kubernetes/pkg/volume/csimigration"
	"k8s.io/kubernetes/pkg/volume/portworx"
)

type probeFn func() []volume.VolumePlugin

func appendPluginBasedOnFeatureFlags(plugins []volume.VolumePlugin, inTreePluginName string,
	featureGate featuregate.FeatureGate, pluginInfo pluginInfo) ([]volume.VolumePlugin, error) {

}

// newPod returns a new pod for the specified namespace
func newPod(namespace string) api.Pod {
	return api.Pod{
		ObjectMeta: metav1.ObjectMeta{Name: "123", Namespace: namespace},
		Spec: api.PodSpec{
			Volumes:    []api.Volume{{Name: "vol"}},
			Containers: []api.Container{{Name: "ctr", Image: "image"}},
		},
	}
}

// hasCreateNamespaceAction returns true if it has the create namespace action

			probeEvent, pluginErr := prober.newProbeEvent(f.Name(), volume.ProbeAddOrUpdate)
			if pluginErr != nil {
				allErrs = append(allErrs, pluginErr)
				continue
			}
			probeEvents = append(probeEvents, probeEvent)
		}
	}
	return probeEvents, errors.NewAggregate(allErrs)
}

func (prober *flexVolumeProber) newProbeEvent(driverDirName string, op volume.ProbeOperation) (volume.ProbeEvent, error) {
	probeEvent := volume.ProbeEvent{