private State state = State.NOT_READY;

  /** Constructor for use by subclasses. */
  protected AbstractIterator() {}

  private enum State {
    /** We have computed the next element and haven't returned it yet. */
    READY,

    /** We haven't yet computed or have already returned the element. */
    NOT_READY,

    /** We have reached the end of the data and are finished. */

  // Service has set the publishNotReadyAddresses flag.
  // +optional
  optional bool ready = 1;

  // serving is identical to ready except that it is set regardless of the
  // terminating state of endpoints. This condition should be set to true for
  // a ready endpoint that is terminating. If nil, consumers should defer to
  // the ready condition.
  // +optional
  optional bool serving = 2;

  private State state = State.NOT_READY;

  /** Constructor for use by subclasses. */
  protected AbstractIterator() {}

  private enum State {
    /** We have computed the next element and haven't returned it yet. */
    READY,

    /** We haven't yet computed or have already returned the element. */
    NOT_READY,

    /** We have reached the end of the data and are finished. */

 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
abstract class AbstractIterator<T extends @Nullable Object> implements Iterator<T> {
  private State state = State.NOT_READY;

  protected AbstractIterator() {}

  private enum State {
    READY,
    NOT_READY,
    DONE,
    FAILED,
  }

  @CheckForNull private T next;

  @CheckForNull
  protected abstract T computeNext();

  @CanIgnoreReturnValue

 */
@GwtCompatible
@ElementTypesAreNonnullByDefault
abstract class AbstractIterator<T extends @Nullable Object> implements Iterator<T> {
  private State state = State.NOT_READY;

  protected AbstractIterator() {}

  private enum State {
    READY,
    NOT_READY,
    DONE,
    FAILED,
  }

  @CheckForNull private T next;

  @CheckForNull
  protected abstract T computeNext();

  @CanIgnoreReturnValue

	pods := s.handlers.GetAmbientPods()
	err := s.dataplane.ConstructInitialSnapshot(pods)
	if err != nil {
		log.Warnf("failed to construct initial snapshot: %v", err)
	}

	log.Info("CNI ambient server marking ready")
	s.Ready()
	s.dataplane.Start(s.ctx)
	s.handlers.Start()
}

func (s *Server) Stop() {
	log.Info("CNI ambient server terminating, cleaning up node net rules")

	s.cniServerStopFunc()
	s.dataplane.Stop()

message EndpointConditions {
  // ready indicates that this endpoint is prepared to receive traffic,
  // according to whatever system is managing the endpoint. A nil value
  // indicates an unknown state. In most cases consumers should interpret this
  // unknown state as ready. For compatibility reasons, ready should never be
  // "true" for terminating endpoints.
  // +optional
  optional bool ready = 1;

    # Disable webhook controller in Pilot to stop patching it
    failurePolicy: Fail
    {{- else }}
    # Fail open until the validation webhook is ready. The webhook controller
    # will update this to `Fail` and patch in the `caBundle` when the webhook
    # endpoint is ready.
    failurePolicy: Ignore
    {{- end }}
    sideEffects: None
    admissionReviewVersions: ["v1beta1", "v1"]
    objectSelector:
      matchExpressions:

  optional DaemonSetUpdateStrategy updateStrategy = 3;

  // The minimum number of seconds for which a newly created DaemonSet pod should
  // be ready without any of its container crashing, for it to be considered
  // available. Defaults to 0 (pod will be considered available as soon as it
  // is ready).
  // +optional
  optional int32 minReadySeconds = 4;

  // The number of old history to retain to allow rollback.

http.80     httpbin.example.com:80     httpbin.example.com     PathPrefix:/get        http-0-istio-autogenerated-k8s-gateway.default
            backend                    *                       /healthz/ready*