out.VolumeHandle = in.VolumeHandle
	out.ReadOnly = in.ReadOnly
	out.FSType = in.FSType
	out.VolumeAttributes = *(*map[string]string)(unsafe.Pointer(&in.VolumeAttributes))
	out.ControllerPublishSecretRef = (*core.SecretReference)(unsafe.Pointer(in.ControllerPublishSecretRef))
	out.NodeStageSecretRef = (*core.SecretReference)(unsafe.Pointer(in.NodeStageSecretRef))
	out.NodePublishSecretRef = (*core.SecretReference)(unsafe.Pointer(in.NodePublishSecretRef))

	// secret object contains more than one secret, all secrets are passed.
	// +optional
	ControllerPublishSecretRef *SecretReference `json:"controllerPublishSecretRef,omitempty" protobuf:"bytes,6,opt,name=controllerPublishSecretRef"`

	// nodeStageSecretRef is a reference to the secret object containing sensitive
	// information to pass to the CSI driver to complete the CSI NodeStageVolume

	if len(csi.VolumeHandle) == 0 {
		allErrs = append(allErrs, field.Required(fldPath.Child("volumeHandle"), ""))
	}
	if csi.ControllerPublishSecretRef != nil {
		allErrs = append(allErrs, validatePVSecretReference(csi.ControllerPublishSecretRef, fldPath.Child("controllerPublishSecretRef"))...)
	}
	if csi.ControllerExpandSecretRef != nil {

  // Ex. "ext4", "xfs", "ntfs".
  // +optional
  optional string fsType = 4;

  // volumeAttributes of the volume to publish.
  // +optional
  map<string, string> volumeAttributes = 5;

  // controllerPublishSecretRef is a reference to the secret object containing
  // sensitive information to pass to the CSI driver to complete the CSI
  // ControllerPublishVolume and ControllerUnpublishVolume calls.

	// Ex. "ext4", "xfs", "ntfs".
	// +optional
	FSType string

	// Attributes of the volume to publish.
	// +optional
	VolumeAttributes map[string]string

	// ControllerPublishSecretRef is a reference to the secret object containing
	// sensitive information to pass to the CSI driver to complete the CSI
	// ControllerPublishVolume and ControllerUnpublishVolume calls.

	"volumeAttributes":           "volumeAttributes of the volume to publish.",

  // Ex. "ext4", "xfs", "ntfs".
  // +optional
  optional string fsType = 4;

  // volumeAttributes of the volume to publish.
  // +optional
  map<string, string> volumeAttributes = 5;

  // controllerPublishSecretRef is a reference to the secret object containing
  // sensitive information to pass to the CSI driver to complete the CSI
  // ControllerPublishVolume and ControllerUnpublishVolume calls.

          },
          "controllerPublishSecretRef": {
            "allOf": [
              {
                "$ref": "#/components/schemas/io.k8s.api.core.v1.SecretReference"
              }
            ],