}); err != nil {
		return err
	}
	if err := s.AddGeneratedConversionFunc((*v1alpha1.VolumeAttributesClass)(nil), (*storage.VolumeAttributesClass)(nil), func(a, b interface{}, scope conversion.Scope) error {
		return Convert_v1alpha1_VolumeAttributesClass_To_storage_VolumeAttributesClass(a.(*v1alpha1.VolumeAttributesClass), b.(*storage.VolumeAttributesClass), scope)
	}); err != nil {
		return err
	}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// VolumeAttributesClass represents a specification of mutable volume attributes
// defined by the CSI driver. The class can be specified during dynamic provisioning
// of PersistentVolumeClaims, and changed in the PersistentVolumeClaim spec after provisioning.
type VolumeAttributesClass struct {
	metav1.TypeMeta `json:",inline"`

	// Standard object's metadata.

}

// ValidateVolumeAttributesClass validates a VolumeAttributesClass.
func ValidateVolumeAttributesClass(volumeAttributesClass *storage.VolumeAttributesClass) field.ErrorList {
	allErrs := apivalidation.ValidateObjectMeta(&volumeAttributesClass.ObjectMeta, false, apivalidation.ValidateClassName, field.NewPath("metadata"))
	allErrs = append(allErrs, validateProvisioner(volumeAttributesClass.DriverName, field.NewPath("driverName"))...)

  // +optional
  optional VolumeError detachError = 4;
}

// VolumeAttributesClass represents a specification of mutable volume attributes
// defined by the CSI driver. The class can be specified during dynamic provisioning
// of PersistentVolumeClaims, and changed in the PersistentVolumeClaim spec after provisioning.
message VolumeAttributesClass {
  // Standard object's metadata.

func (in *VolumeAttributesClass) DeepCopy() *VolumeAttributesClass {
	if in == nil {
		return nil
	}
	out := new(VolumeAttributesClass)
	in.DeepCopyInto(out)
	return out
}

// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
func (in *VolumeAttributesClass) DeepCopyObject() runtime.Object {

driver. The underlying storage provider supports changing these attributes on an existing volume, however the parameters field itself is immutable. To invoke a volume update, a new VolumeAttributesClass should be created with new parameters, and the PersistentVolumeClaim should be updated to reference the new VolumeAttributesClass.\n\nThis field is required and must contain at least one key/value pair. The keys cannot be empty, and the maximum number of parameters is 512, with a cumulative max size of 256K....

			wantVAC:    vacName,
		},
	}

	for testName, test := range tests {
		t.Run(testName, func(t *testing.T) {
			featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.VolumeAttributesClass, test.vacEnabled)
			DropDisabledFields(&test.spec, &test.oldSpec)
			if test.spec.VolumeAttributesClassName != test.wantVAC {
				t.Errorf("expected vac was not met, test: %s, vacEnabled: %v, spec: %+v, expected VAC: %+v",

}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// VolumeAttributesClass represents a specification of mutable volume attributes
// defined by the CSI driver. The class can be specified during dynamic provisioning
// of PersistentVolumeClaims, and changed in the PersistentVolumeClaim spec after provisioning.
type VolumeAttributesClass struct {
	metav1.TypeMeta

	// Standard object's metadata.

	// kep: https://kep.k8s.io/3751
	// alpha: v1.29
	//
	// Enables user specified volume attributes for persistent volumes, like iops and throughput.
	VolumeAttributesClass featuregate.Feature = "VolumeAttributesClass"

	// owner: @cofyc
	// alpha: v1.21
	VolumeCapacityPriority featuregate.Feature = "VolumeCapacityPriority"

	// owner: @ksubrmnn
	// alpha: v1.14
	//