allErrs = append(allErrs, field.Forbidden(field.NewPath("provisioner"), "updates to provisioner are forbidden."))
	}

	if *storageClass.ReclaimPolicy != *oldStorageClass.ReclaimPolicy {
		allErrs = append(allErrs, field.Forbidden(field.NewPath("reclaimPolicy"), "updates to reclaimPolicy are forbidden."))
	}

		Parameters:        class1Parameters,
		ReclaimPolicy:     &deleteReclaimPolicy,
		VolumeBindingMode: &modeImmediate,
	},
	{
		TypeMeta: metav1.TypeMeta{
			Kind: "StorageClass",
		},
		ObjectMeta: metav1.ObjectMeta{
			Name: "silver",
		},
		Provisioner:       mockPluginName,
		Parameters:        class2Parameters,
		ReclaimPolicy:     &deleteReclaimPolicy,
		VolumeBindingMode: &modeImmediate,
	},

// The in-tree PV deletion protection finalizer is only added if the reclaimPolicy associated with the PV is `Delete`.
// The in-tree PV deletion protection finalizer is removed if the reclaimPolicy associated with the PV is `Retain` or
// `Recycle`, removing the finalizer is necessary to reflect the recalimPolicy updates on the PV.

			expVolumeFinalizers: nil,
			expModified:         false,
		},
		{
			// When ReclaimPolicy is Retain ensure that in-tree pv deletion protection finalizer is not added.
			name:                "13-12 migration is disabled, volume has no finalizers, reclaimPolicy is Retain",

		in, out := &in.Parameters, &out.Parameters
		*out = make(map[string]string, len(*in))
		for key, val := range *in {
			(*out)[key] = val
		}
	}
	if in.ReclaimPolicy != nil {
		in, out := &in.ReclaimPolicy, &out.ReclaimPolicy
		*out = new(corev1.PersistentVolumeReclaimPolicy)
		**out = **in
	}
	if in.MountOptions != nil {
		in, out := &in.MountOptions, &out.MountOptions

func newVolumeWithFinalizers(name, capacity, boundToClaimUID, boundToClaimName string, phase v1.PersistentVolumePhase, reclaimPolicy v1.PersistentVolumeReclaimPolicy, class string, finalizers []string, annotations ...string) *v1.PersistentVolume {
	retVolume := newVolume(name, capacity, boundToClaimUID, boundToClaimName, phase, reclaimPolicy, class, annotations...)
	retVolume.SetFinalizers(finalizers)
	return retVolume
}

		in, out := &in.Parameters, &out.Parameters
		*out = make(map[string]string, len(*in))
		for key, val := range *in {
			(*out)[key] = val
		}
	}
	if in.ReclaimPolicy != nil {
		in, out := &in.ReclaimPolicy, &out.ReclaimPolicy
		*out = new(core.PersistentVolumeReclaimPolicy)
		**out = **in
	}
	if in.MountOptions != nil {
		in, out := &in.MountOptions, &out.MountOptions
		*out = make([]string, len(*in))

	// reclaimPolicy controls the reclaimPolicy for dynamically provisioned PersistentVolumes of this storage class.
	// Defaults to Delete.
	// +optional
	ReclaimPolicy *v1.PersistentVolumeReclaimPolicy `json:"reclaimPolicy,omitempty" protobuf:"bytes,4,opt,name=reclaimPolicy,casttype=k8s.io/api/core/v1.PersistentVolumeReclaimPolicy"`

	// reclaimPolicy controls the reclaimPolicy for dynamically provisioned PersistentVolumes of this storage class.
	// Defaults to Delete.
	// +optional
	ReclaimPolicy *v1.PersistentVolumeReclaimPolicy `json:"reclaimPolicy,omitempty" protobuf:"bytes,4,opt,name=reclaimPolicy,casttype=k8s.io/api/core/v1.PersistentVolumeReclaimPolicy"`

	out.ObjectMeta = in.ObjectMeta
	out.Provisioner = in.Provisioner
	out.Parameters = *(*map[string]string)(unsafe.Pointer(&in.Parameters))
	out.ReclaimPolicy = (*core.PersistentVolumeReclaimPolicy)(unsafe.Pointer(in.ReclaimPolicy))
	out.MountOptions = *(*[]string)(unsafe.Pointer(&in.MountOptions))
	out.AllowVolumeExpansion = (*bool)(unsafe.Pointer(in.AllowVolumeExpansion))