runner exec.Interface
}

var _ volume.Unmounter = &flexVolumeUnmounter{}

// Unmounter interface
func (f *flexVolumeUnmounter) TearDown() error {
	path := f.GetPath()
	return f.TearDownAt(path)
}

func (f *flexVolumeUnmounter) TearDownAt(dir string) error {
	pathExists, pathErr := mount.PathExists(dir)
	if pathErr != nil {
		// only log warning here since plugins should anyways have to deal with errors

*/

package flexvolume

import (
	"k8s.io/klog/v2"
	"k8s.io/mount-utils"
)

type unmounterDefaults flexVolumeUnmounter

func (f *unmounterDefaults) TearDownAt(dir string) error {
	klog.Warning(logPrefix(f.plugin), "using default TearDownAt for ", dir)
	return mount.CleanupMountPoint(dir, f.mounter, false)

// TearDown simply deletes everything in the directory.
func (c *gitRepoVolumeUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

// TearDownAt simply deletes everything in the directory.
func (c *gitRepoVolumeUnmounter) TearDownAt(dir string) error {
	return volumeutil.UnmountViaEmptyDir(dir, c.plugin.host, c.volName, wrappedVolumeSpec(), c.podUID)
}

	plugin.runner = fakeRunner(
		assertDriverCall(t, notSupportedOutput(), unmountCmd,
			rootDir+"/mount-dir"),
	)

	u, _ := plugin.newUnmounterInternal("volName", types.UID("poduid"), mounter, plugin.runner)
	u.TearDownAt(rootDir + "/mount-dir")

	}
	return nil
}

var _ volume.Unmounter = &nfsUnmounter{}

type nfsUnmounter struct {
	*nfs
}

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

func (c *nfsUnmounter) TearDownAt(dir string) error {
	// Use extensiveMountPointCheck to consult /proc/mounts. We can't use faster
	// IsLikelyNotMountPoint (lstat()), since there may be root_squash on the

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)
}