cmd := &cobra.Command{
		Use:   "generate <revision-tag>",
		Short: "Generate configuration for a revision tag to stdout",
		Long: `Create a revision tag and output to the command's stdout. Tag an Istio control plane revision for use with namespace istio.io/rev
injection labels.`,
		Example: `  # Create a revision tag from the "1-8-0" revision
  istioctl tag generate prod --revision 1-8-0 > tag.yaml

  # Apply the tag to cluster

func (tag Tag) IsEmpty() bool {
	return tag.Key == ""
}

// Validate checks this tag.
func (tag Tag) Validate() error {
	if len(tag.Key) == 0 || utf8.RuneCountInString(tag.Key) > 128 {
		return errInvalidTagKey
	}

	if utf8.RuneCountInString(tag.Value) > 256 {
		return errInvalidTagValue
	}

	return nil

)

func (tag Tag) String() string {
	return tag.Key + "=" + tag.Value
}

// IsEmpty returns whether this tag is empty or not.
func (tag Tag) IsEmpty() bool {
	return tag.Key == ""
}

// Validate checks this tag.
func (tag Tag) Validate() error {
	if len(tag.Key) == 0 || utf8.RuneCountInString(tag.Key) > 128 {
		return errInvalidTagKey
	}

apiVersion: admissionregistration.k8s.io/v1
kind: MutatingWebhookConfiguration
metadata:
  generation: 1
  labels:
    app: sidecar-injector
    istio.io/rev: test-dev2
    istio.io/tag: default
    release: istio
  name: istio-revision-tag-default
webhooks:
- admissionReviewVersions:
  - v1beta1
  - v1
  clientConfig:
    service:
      name: istiod-test-dev2
      namespace: istio-system
      path: /inject
      port: 443

							Name:   "istio-revision-tag-wrong",
							Labels: map[string]string{IstioTagLabel: "wrong"},
						},
					},
				},
			},
			namespaces:       corev1.NamespaceList{},
			outputMatches:    []string{},
			skipConfirmation: true,
			error:            "cannot remove tag \"sample\"",
		},
		{
			name: "TestDeleteTagWithDependentNamespace",
			tag:  "match",

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  hub: istio-spec.hub
  tag: istio-spec.tag
  components:
    pilot:
      enabled: true
      hub: component.pilot.hub
      tag: 2
    cni:
      enabled: true
      hub: component.cni.hub

										<la:errors property="_global" />
									</div>
									<div class="form-group row">
										<div class="col-sm-6">
											<la:message key="labels.storage_tag_key" />
										</div>
										<div class="col-sm-6">
											<la:message key="labels.storage_tag_value" />
										</div>
									</div>
									<c:forEach var="position" begin="1" end="${savedTags.size()/2}">
									<c:set var="nameKey">name${position}</c:set>

      name = "test",
      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
      tag = 16L,
    ) {
      derWriter.write(
        name = "test",
        tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
        tag = 21L,
      ) {
        derWriter.writeOctetString("Smith".encodeUtf8())
      }

      derWriter.write(
        name = "test",
        tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
        tag = 1L,
      ) {

			return err
		}
	case !f.Tag.IsEmpty():
		if err := e.EncodeElement(f.Tag, xml.StartElement{Name: xml.Name{Local: "Tag"}}); err != nil {
			return err
		}
	default:
		// Always print Prefix field when both And & Tag are empty
		if err := e.EncodeElement(f.Prefix, xml.StartElement{Name: xml.Name{Local: "Prefix"}}); err != nil {
			return err
		}
	}

    return BasicDerAdapter(
      name = "EXPLICIT",
      tagClass = tagClass,
      tag = tag,
      codec = codec,
    )
  }

  /** Returns an adapter that returns a list of values of this type. */
  fun asSequenceOf(
    name: String = "SEQUENCE OF",
    tagClass: Int = DerHeader.TAG_CLASS_UNIVERSAL,
    tag: Long = 16L,
  ): BasicDerAdapter<List<T>> {
    val codec =