}
	if err := s.AddGeneratedConversionFunc((*v1.SecretReference)(nil), (*core.SecretReference)(nil), func(a, b interface{}, scope conversion.Scope) error {
		return Convert_v1_SecretReference_To_core_SecretReference(a.(*v1.SecretReference), b.(*core.SecretReference), scope)
	}); err != nil {
		return err
	}

		volAttribs         map[string]string
		nodePublishSecrets map[string]string
		publishContext     map[string]string
		mountOptions       []string
		deviceMountPath    string
		secretRef          *api.SecretReference
	)

	switch {
	case volSrc != nil:
		if c.volumeLifecycleMode != storage.VolumeLifecycleEphemeral {
			return fmt.Errorf("unexpected volume mode: %s", c.volumeLifecycleMode)
		}

func (in *SecretReference) DeepCopyInto(out *SecretReference) {
	*out = *in
	return
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new SecretReference.
func (in *SecretReference) DeepCopy() *SecretReference {
	if in == nil {
		return nil
	}
	out := new(SecretReference)
	in.DeepCopyInto(out)
	return out
}

func (in *SecretReference) DeepCopyInto(out *SecretReference) {
	*out = *in
	return
}

// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new SecretReference.
func (in *SecretReference) DeepCopy() *SecretReference {
	if in == nil {
		return nil
	}
	out := new(SecretReference)
	in.DeepCopyInto(out)
	return out
}

	longSecretName := "key-name.example.com"
	longSecretRef := &core.SecretReference{
		Name:      longSecretName,
		Namespace: "default",
	}

	// invalidSecrets missing name, namespace and both
	inValidSecretRef := &core.SecretReference{
		Name:      "",
		Namespace: "",
	}
	invalidSecretRefmissingName := &core.SecretReference{
		Name:      "",
		Namespace: "default",
	}

	for i := 0; i < opts.uniquePVCsPerPod; i++ {
		pv := &corev1.PersistentVolume{}
		pv.Name = fmt.Sprintf("pv%d-%s-%s", i, pod.Name, pod.Namespace)
		pv.Spec.FlexVolume = &corev1.FlexPersistentVolumeSource{SecretRef: &corev1.SecretReference{Name: fmt.Sprintf("secret-%s", pv.Name)}}
		pv.Spec.ClaimRef = &corev1.ObjectReference{Name: fmt.Sprintf("pvc%d-%s", i, pod.Name), Namespace: pod.Namespace}
		pvs = append(pvs, pv)

  // optional field specify whether the Secret or its key must be defined
  // +optional
  optional bool optional = 4;
}

// SecretReference represents a Secret Reference. It has enough information to retrieve secret
// in any namespace
// +structType=atomic
message SecretReference {
  // name is unique within a namespace to reference a secret resource.
  // +optional
  optional string name = 1;

	// the ReadOnly setting in VolumeMounts.
	// +optional
	ReadOnly bool
}

// SecretReference represents a Secret Reference. It has enough information to retrieve secret
// in any namespace
type SecretReference struct {
	// Name is unique within a namespace to reference a secret resource.
	// +optional
	Name string

  // optional field specify whether the Secret or its key must be defined
  // +optional
  optional bool optional = 4;
}

// SecretReference represents a Secret Reference. It has enough information to retrieve secret
// in any namespace
// +structType=atomic
message SecretReference {
  // name is unique within a namespace to reference a secret resource.
  // +optional
  optional string name = 1;

	// +optional
	ReadOnly bool `json:"readOnly,omitempty" protobuf:"varint,6,opt,name=readOnly"`
}

// SecretReference represents a Secret Reference. It has enough information to retrieve secret
// in any namespace
// +structType=atomic
type SecretReference struct {
	// name is unique within a namespace to reference a secret resource.
	// +optional