return false
		}
	}

	// Only if this volume is a persistent volume, we have reliable information on whether it's allowed or not to
	// multi-attach. We trust in the individual volume implementations to not allow unsupported access modes
	if volumeSpec.PersistentVolume != nil {
		// Check for persistent volume types which do not fail when trying to multi-attach
		if len(volumeSpec.PersistentVolume.Spec.AccessModes) == 0 {

	OptionsExternalVersion *schema.GroupVersion
	// MetaGroupVersion defaults to "meta.k8s.io/v1" and is the scheme group version used to decode
	// common API implementations like ListOptions. Future changes will allow this to vary by group
	// version (for when the inevitable meta/v2 group emerges).
	MetaGroupVersion *schema.GroupVersion

		MetricsProvider: volume.NewMetricsDu(getPath(pod.UID, spec.Name(), plugin.host)),
	}, nil
}

func (plugin *emptyDirPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
	// Inject real implementations here, test through the internal function.
	return plugin.newUnmounterInternal(volName, podUID, plugin.host.GetMounter(plugin.GetPluginName()), &realMountDetector{plugin.host.GetMounter(plugin.GetPluginName())})
}

	// excluding the time for image pulling. This is an internal and temporary metric required because of the existing limitations of the
	// existing networking subsystem and CRI/CNI implementations that will be solved by https://github.com/containernetworking/cni/issues/859
	// The metric represents the latency observed by an user to run workloads in a new node.

}

// fromConfigMap is an utility function, which will load the value of a key of a config map and use h.FromDocumentMap() to perform the parsing
// This is an utility func. Used by the component config support implementations. Don't use it outside of that context.
func (h *handler) fromConfigMap(client clientset.Interface, cmName, cmKey string, mustExist bool) (kubeadmapi.ComponentConfig, error) {

  // validity duration so a client must check the delta between the notBefore and
  // and notAfter fields in the issued certificate to determine the actual duration.
  //
  // The v1.22+ in-tree implementations of the well-known Kubernetes signers will
  // honor this field as long as the requested duration is not greater than the
  // maximum duration they will honor per the --cluster-signing-duration CLI

	//   matches /foo/bar/baz, but does not match /foo/barbaz).
	// * ImplementationSpecific: Interpretation of the Path matching is up to
	//   the IngressClass. Implementations can treat this as a separate PathType
	//   or treat it identically to Prefix or Exact path types.
	// Implementations are required to support all path types.
	PathType *PathType `json:"pathType" protobuf:"bytes,3,opt,name=pathType"`

	// annotation. For backwards compatibility, when that annotation is set, it
	// must be given precedence over this field. The controller may emit a
	// warning if the field and annotation have different values.
	// Implementations of this API should ignore Ingresses without a class
	// specified. An IngressClass resource may be marked as default, which can
	// be used to set a default value for this field. For more information,

	//   matches /foo/bar/baz, but does not match /foo/barbaz).
	// * ImplementationSpecific: Interpretation of the Path matching is up to
	//   the IngressClass. Implementations can treat this as a separate PathType
	//   or treat it identically to Prefix or Exact path types.
	// Implementations are required to support all path types.
	// Defaults to ImplementationSpecific.
	PathType *PathType `json:"pathType,omitempty" protobuf:"bytes,3,opt,name=pathType"`

  //   matches /foo/bar/baz, but does not match /foo/barbaz).
  // * ImplementationSpecific: Interpretation of the Path matching is up to
  //   the IngressClass. Implementations can treat this as a separate PathType
  //   or treat it identically to Prefix or Exact path types.
  // Implementations are required to support all path types.
  // Defaults to ImplementationSpecific.
  optional string pathType = 3;