return false
}

func (n *noopExpandableVolumePluginInstance) NewMounter(spec *Spec, podRef *v1.Pod, opts VolumeOptions) (Mounter, error) {
	return nil, nil
}

func (n *noopExpandableVolumePluginInstance) NewUnmounter(name string, podUID types.UID) (Unmounter, error) {
	return nil, nil
}

func (n *noopExpandableVolumePluginInstance) ConstructVolumeSpec(volumeName, mountPath string) (ReconstructedVolume, error) {

	}
	return &downwardAPIVolumeMounter{
		downwardAPIVolume: v,
		source:            *spec.Volume.DownwardAPI,
		opts:              &opts,
	}, nil
}

func (plugin *downwardAPIPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return &downwardAPIVolumeUnmounter{
		&downwardAPIVolume{
			volName:         volName,
			podUID:          podUID,
			plugin:          plugin,

			MetricsProvider:       metricsProvider,
		},
		runner:   runner,
		spec:     spec,
		readOnly: readOnly,
	}, nil
}

// NewUnmounter is part of the volume.VolumePlugin interface.
func (plugin *flexVolumePlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return plugin.newUnmounterInternal(volName, podUID, plugin.host.GetMounter(plugin.GetPluginName()), plugin.runner)
}

		},
		source:    *spec.Volume.Secret,
		pod:       *pod,
		opts:      &opts,
		getSecret: plugin.getSecret,
	}, nil
}

func (plugin *secretPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return &secretVolumeUnmounter{
		&secretVolume{
			volName,
			podUID,
			plugin,
			plugin.host.GetMounter(plugin.GetPluginName()),

	return false, nil
}

func (plugin *testPlugins) NewMounter(spec *Spec, podRef *v1.Pod, opts VolumeOptions) (Mounter, error) {
	return nil, nil
}

func (plugin *testPlugins) NewUnmounter(name string, podUID types.UID) (Unmounter, error) {
	return nil, nil
}

func (plugin *testPlugins) ConstructVolumeSpec(volumeName, mountPath string) (ReconstructedVolume, error) {
	return ReconstructedVolume{}, nil
}

		},
		source:       *spec.Volume.ConfigMap,
		pod:          *pod,
		opts:         &opts,
		getConfigMap: plugin.getConfigMap,
	}, nil
}

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

		},
		source: *spec.Volume.Projected,
		pod:    pod,
		opts:   &opts,
	}, nil
}

func (plugin *projectedPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	return &projectedVolumeUnmounter{
		&projectedVolume{
			volName:         volName,
			podUID:          podUID,
			plugin:          plugin,

			if err != nil || mounter == nil {
				t.Fatalf("csiTest.VolumeAll volPlugin.NewMounter is nil or error: %s", err)
			}

			unmounter, err := volPlug.NewUnmounter(test.specName, pod.GetUID())
			if err != nil {
				t.Fatal("csiTest.VolumeAll volumePlugin.NewUnmounter failed:", err)
			}
			csiUnmounter := unmounter.(*csiMountMgr)
			csiUnmounter.csiClient = csiClient

		},
		server:       getServerFromSource(source),
		exportPath:   source.Path,
		readOnly:     readOnly,
		mountOptions: util.MountOptionFromSpec(spec),
	}, nil
}

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

		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) {
	return &gitRepoVolumeUnmounter{
		&gitRepoVolume{
			volName: volName,
			podUID:  podUID,
			plugin:  plugin,
		},
	}, nil
}