type TagWatcher interface {
	Run(stopCh <-chan struct{})
	HasSynced() bool
	AddHandler(handler TagHandler)
	GetMyTags() sets.String
}

// TagHandler is a callback for when the tags revision change.
type TagHandler func(sets.String)

type tagWatcher struct {
	revision string
	handlers []TagHandler

	queue    controllers.Queue
	webhooks kclient.Client[*admissionregistrationv1.MutatingWebhookConfiguration]

	defer close(stopCh)
	sharedInformers.Start(stopCh)

	err := wait.PollImmediate(time.Millisecond*10, wait.ForeverTestTimeout, func() (bool, error) {
		svcHandler.lock.Lock()
		defer svcHandler.lock.Unlock()
		if reflect.DeepEqual(svcHandler.state, expectedSvcState) {
			return true, nil
		}
		return false, nil
	})
	if err != nil {
		t.Fatal("Timed out waiting for the completion of handler `OnServiceAdd`")

	// made a mistake somewhere in sigtramp.
	if _ureg == nil || note == nil {
		print("sighandler: ureg ", _ureg, " note ", note, "\n")
		goto Throw
	}
	// Check that the note is no more than ERRMAX bytes (including
	// the trailing NUL). We should never receive a longer note.
	if len(notestr) > _ERRMAX-1 {
		print("sighandler: note is longer than ERRMAX\n")
		goto Throw
	}
	if isAbortPC(c.pc()) {

            fileLoc.getFilename().str());
      } else {
        // If this is a non-FileLineColLoc, go ahead and include it.
        return true;
      }
    };
  }

  setHandler([this](Diagnostic& diag) { return this->handler(&diag); });
}

Status StatusScopedDiagnosticHandler::ConsumeStatus() {
  return BaseScopedDiagnosticHandler::ConsumeStatus();
}

			workqueue.TypedRateLimitingQueueConfig[string]{Name: "serviceaccount"},
		),
	}

	saHandler, _ := saInformer.Informer().AddEventHandlerWithResyncPeriod(cache.ResourceEventHandlerFuncs{
		DeleteFunc: e.serviceAccountDeleted,
	}, options.ServiceAccountResync)
	e.saLister = saInformer.Lister()
	e.saListerSynced = saHandler.HasSynced

		valuesKey: valuesConfig,
	})

	var mu sync.Mutex
	var newConfig *Config
	var newValues string

	client := kube.NewFakeClient()
	w := NewConfigMapWatcher(client, namespace, cmName, configKey, valuesKey)
	w.SetHandler(func(config *Config, values string) error {
		mu.Lock()
		defer mu.Unlock()
		newConfig = config
		newValues = values
		return nil
	})
	stop := test.NewStop(t)
	go w.Run(stop)