return nil
	}

	//TODO (vladimirvivien) implement better AccessModes mapping between k8s and CSI
	accessMode := v1.ReadWriteOnce
	if spec.PersistentVolume.Spec.AccessModes != nil {
		accessMode = spec.PersistentVolume.Spec.AccessModes[0]
	}

	var nodeStageFSGroupArg *int64
	driverSupportsCSIVolumeMountGroup, err := csi.NodeSupportsVolumeMountGroup(ctx)

						"should-exist": "true",
					},
				}
				pvc.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}
				pvc.Spec.StorageClassName = &classSilver
			}),
		},
		"successful-match-with-class-and-labels": {
			expectedMatch: "gce-pd-silver2",
			claim: makePVC("1G", func(pvc *v1.PersistentVolumeClaim) {
				pvc.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}

		PublishContext:    publishContext,
		VolumeContext:     volumeContext,
		Secrets:           secrets,
		VolumeCapability: &csipbv1.VolumeCapability{
			AccessMode: &csipbv1.VolumeCapability_AccessMode{
				Mode: asCSIAccessModeV1(accessMode),
			},
		},
	}

	if fsType == fsTypeBlockName {
		req.VolumeCapability.AccessType = &csipbv1.VolumeCapability_Block{

		case s == "RWX":
			accessModes = append(accessModes, v1.ReadWriteMany)
		case s == "RWOP":
			accessModes = append(accessModes, v1.ReadWriteOncePod)
		}
	}
	return accessModes
}

// removeDuplicateAccessModes returns an array of access modes without any duplicates
func removeDuplicateAccessModes(modes []v1.PersistentVolumeAccessMode) []v1.PersistentVolumeAccessMode {

		case s == "RWX":
			accessModes = append(accessModes, core.ReadWriteMany)
		case s == "RWOP":
			accessModes = append(accessModes, core.ReadWriteOncePod)
		}
	}
	return accessModes
}

// removeDuplicateAccessModes returns an array of access modes without any duplicates
func removeDuplicateAccessModes(modes []core.PersistentVolumeAccessMode) []core.PersistentVolumeAccessMode {

		Readonly:       readOnly,
		PublishContext: publishContext,
		VolumeContext:  volumeContext,
		Secrets:        secrets,
		VolumeCapability: &csipbv1.VolumeCapability{
			AccessMode: &csipbv1.VolumeCapability_AccessMode{
				Mode: accessModeMapper(accessMode),
			},
		},
	}
	if stagingTargetPath != "" {
		req.StagingTargetPath = stagingTargetPath
	}

	if fsType == fsTypeBlockName {

// with apply.
type PersistentVolumeClaimSpecApplyConfiguration struct {
	AccessModes               []v1.PersistentVolumeAccessMode               `json:"accessModes,omitempty"`
	Selector                  *metav1.LabelSelectorApplyConfiguration       `json:"selector,omitempty"`

// with apply.
type PersistentVolumeClaimStatusApplyConfiguration struct {
	Phase                            *v1.PersistentVolumeClaimPhase                     `json:"phase,omitempty"`
	AccessModes                      []v1.PersistentVolumeAccessMode                    `json:"accessModes,omitempty"`
	Capacity                         *v1.ResourceList                                   `json:"capacity,omitempty"`

    blockOwnerDeletion: true
    controller: true
    kind: kindValue
    name: nameValue
    uid: uidValue
  resourceVersion: resourceVersionValue
  selfLink: selfLinkValue
  uid: uidValue
spec:
  accessModes:
  - accessModesValue
  dataSource:
    apiGroup: apiGroupValue
    kind: kindValue
    name: nameValue
  dataSourceRef:
    apiGroup: apiGroupValue
    kind: kindValue
    name: nameValue

    blockOwnerDeletion: true
    controller: true
    kind: kindValue
    name: nameValue
    uid: uidValue
  resourceVersion: resourceVersionValue
  selfLink: selfLinkValue
  uid: uidValue
spec:
  accessModes:
  - accessModesValue
  dataSource:
    apiGroup: apiGroupValue
    kind: kindValue
    name: nameValue
  dataSourceRef:
    apiGroup: apiGroupValue
    kind: kindValue
    name: nameValue