t.mu.Lock()
	defer t.mu.Unlock()

	var cols []any
	if doInsert {
		cols = make([]any, len(t.colname))
	}
	argPos := 0
	for n, colname := range s.colName {
		colidx := t.columnIndex(colname)
		if colidx == -1 {
			return nil, fmt.Errorf("fakedb: column %q doesn't exist or dropped since prepared statement was created", colname)
		}
		var val any

				if ($header =~ /^netinet\//) {
					$ctlname = "net.inet.$nodename";
				} elsif ($header =~ /^netinet6\//) {
					$ctlname = "net.inet6.$nodename";
				} elsif ($header =~ /^net\//) {
					$ctlname = "net.$nodename";
				} else {
					$ctlname = "$nodename";
					$ctlname =~ s/^(fs|net|kern)_/$1\./;
				}
				if (exists $ctl_map{$ctlname}) {
					$ctlname = $ctl_map{$ctlname};
				}

	}{
		{
			name:     "PersistentVolume",
			specName: "pv2",
			driver:   "simple-driver",
			volName:  "vol2",
			specFunc: func(specName, driver, volName string) *volume.Spec {
				return volume.NewSpecFromPersistentVolume(makeTestPV(specName, 20, driver, volName), false)
			},
			podFunc: func() *api.Pod {
				podUID := types.UID(fmt.Sprintf("%08X", rand.Uint64()))

		if !ok {
			fv.VolumeMountState[fv.VolName] = volumeMountUncertain
			return volumetypes.NewUncertainProgressError("time out on setup")
		}
		fv.VolumeMountState[fv.VolName] = volumeNotMounted
		return fmt.Errorf("mounting volume failed")

	}

	if fv.VolName == SuccessAndFailOnSetupVolumeName {
		_, ok := fv.VolumeMountState[fv.VolName]
		if ok {
			fv.VolumeMountState[fv.VolName] = volumeNotMounted

	}, nil
}

func (plugin *configMapPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return &configMapVolumeUnmounter{
		&configMapVolume{
			volName,
			podUID,
			plugin,
			plugin.host.GetMounter(plugin.GetPluginName()),
			volume.NewCachedMetrics(volume.NewMetricsDu(getPath(podUID, volName, plugin.host))),
		},
	}, nil
}

	name     string
	err      bool
	expected sets.Set[string]
	volname  string
	pod      v1.Pod
}

func TestGetNestedMountpoints(t *testing.T) {
	var (
		testNamespace = "test_namespace"
		testPodUID    = types.UID("test_pod_uid")
	)

	tc := []testCases{
		{
			name:     "Simple Pod",
			err:      false,
			expected: sets.New[string](),
			volname:  "vol1",
			pod: v1.Pod{
				ObjectMeta: metav1.ObjectMeta{

}

func (plugin *portworxVolumePlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return plugin.newUnmounterInternal(volName, podUID, plugin.util, plugin.host.GetMounter(plugin.GetPluginName()))
}

func (plugin *portworxVolumePlugin) newUnmounterInternal(volName string, podUID types.UID, manager portworxManager,
	mounter mount.Interface) (volume.Unmounter, error) {

	}, nil
}

func (plugin *projectedPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return &projectedVolumeUnmounter{
		&projectedVolume{
			volName:         volName,
			podUID:          podUID,
			plugin:          plugin,
			MetricsProvider: volume.NewCachedMetrics(volume.NewMetricsDu(getPath(podUID, volName, plugin.host))),
		},
	}, nil
}

	}, nil
}

func (plugin *downwardAPIPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return &downwardAPIVolumeUnmounter{
		&downwardAPIVolume{
			volName:         volName,
			podUID:          podUID,
			plugin:          plugin,
			MetricsProvider: volume.NewCachedMetrics(volume.NewMetricsDu(getPath(podUID, volName, plugin.host))),
		},
	}, nil
}

		gitRepoVolume: &gitRepoVolume{
			volName: spec.Name(),
			podUID:  pod.UID,
			plugin:  plugin,
		},
		pod:      *pod,
		source:   spec.Volume.GitRepo.Repository,
		revision: spec.Volume.GitRepo.Revision,
		target:   spec.Volume.GitRepo.Directory,
		exec:     exec.New(),
		opts:     opts,
	}, nil
}

func (plugin *gitRepoPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {