type secretVolumeUnmounter struct {
	*secretVolume
}

var _ volume.Unmounter = &secretVolumeUnmounter{}

func (c *secretVolumeUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

func (c *secretVolumeUnmounter) TearDownAt(dir string) error {
	return volumeutil.UnmountViaEmptyDir(dir, c.plugin.host, c.volName, wrappedVolumeSpec(), c.podUID)
}

var _ volume.Unmounter = &downwardAPIVolumeUnmounter{}

func (c *downwardAPIVolumeUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

func (c *downwardAPIVolumeUnmounter) TearDownAt(dir string) error {
	return volumeutil.UnmountViaEmptyDir(dir, c.plugin.host, c.volName, wrappedVolumeSpec(), c.podUID)
}

// resource was the last reference to that disk on the kubelet.
func (c *portworxVolumeUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

// Unmounts the bind mount, and detaches the disk only if the PD
// resource was the last reference to that disk on the kubelet.
func (c *portworxVolumeUnmounter) TearDownAt(dir string) error {
	klog.Infof("Portworx Volume TearDown of %s", dir)

}

// TearDown simply discards everything in the directory.
func (ed *emptyDir) TearDown() error {
	return ed.TearDownAt(ed.GetPath())
}

// TearDownAt simply discards everything in the directory.
func (ed *emptyDir) TearDownAt(dir string) error {
	// First remove ready dir which created in SetUp func
	readyDir := ed.getMetaDir()

}

var _ volume.Unmounter = &localVolumeUnmounter{}

// TearDown unmounts the bind mount
func (u *localVolumeUnmounter) TearDown() error {
	return u.TearDownAt(u.GetPath())
}

// TearDownAt unmounts the bind mount
func (u *localVolumeUnmounter) TearDownAt(dir string) error {
	klog.V(4).Infof("Unmounting volume %q at path %q\n", u.volName, dir)

// Unmounts the bind mount, and detaches the disk only if the disk
// resource was the last reference to that disk on the kubelet.
func (c *iscsiDiskUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

func (c *iscsiDiskUnmounter) TearDownAt(dir string) error {
	return mount.CleanupMountPoint(dir, c.mounter, false)
}

// Block Volumes Support
type iscsiDiskMapper struct {
	*iscsiDisk
	readOnly   bool

// Unmounts the bind mount, and detaches the disk only if the disk
// resource was the last reference to that disk on the kubelet.
func (c *fcDiskUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

func (c *fcDiskUnmounter) TearDownAt(dir string) error {
	return mount.CleanupMountPoint(dir, c.mounter, false)
}

// Block Volumes Support
type fcDiskMapper struct {
	*fcDisk
	volume.MetricsProvider

	// removes traces of the SetUp procedure.
	TearDown() error
	// TearDown unmounts the volume from the specified directory and
	// removes traces of the SetUp procedure.
	TearDownAt(dir string) error
}

// BlockVolumeMapper interface is a mapper interface for block volume.
type BlockVolumeMapper interface {
	BlockVolume
}

	if err != nil {
		t.Fatalf("failed to make a new Unmounter: %v", err)
	}

	csiUnmounter := unmounter.(*csiMountMgr)
	csiUnmounter.csiClient = setupClient(t, true)
	err = csiUnmounter.TearDownAt(dir)
	if err != nil {
		t.Fatal(err)
	}

	// ensure csi client call
	pubs := csiUnmounter.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodePublishedVolumes()

}

func (fv *FakeVolume) TearDown() error {
	fv.Lock()
	defer fv.Unlock()
	fv.TearDownCallCount++
	return fv.TearDownAt(fv.getPath())
}

func (fv *FakeVolume) GetTearDownCallCount() int {
	fv.RLock()
	defer fv.RUnlock()
	return fv.TearDownCallCount
}

func (fv *FakeVolume) TearDownAt(dir string) error {
	return os.RemoveAll(dir)
}

// Block volume support