* on single thread, keeping the listener logic simple. This listener also blocks on last transfer event to allow
 * output to perform possible cleanup. It spawns a daemon thread to consume queued events that may fall in even
 * concurrently.
 *
 * @since 4.0.0
 */
public final class SimplexTransferListener extends AbstractTransferListener {

    WeakValueReferenceImpl(ReferenceQueue<V> queue, V referent, E entry) {
      super(referent, queue);
      this.entry = entry;
    }

    @Override
    public E getEntry() {
      return entry;
    }

    @Override
    public WeakValueReference<K, V, E> copyFor(ReferenceQueue<V> queue, E entry) {
      return new WeakValueReferenceImpl<>(queue, get(), entry);
    }
  }

  /**

	if !qm.running {
		return
	}

	// we're waiting until after the informer start that happens once all the controllers are initialized.  This ensures
	// that they don't get unexpected events on their work queues.
	<-qm.informersStarted

	monitors := qm.monitors
	started := 0
	for _, monitor := range monitors {
		if monitor.stopCh == nil {
			monitor.stopCh = make(chan struct{})

      "FINE: Q10000 finished run in   0 µs: task one",
    )
  }

  /**
   * The runner doesn't hold references to its queues! Otherwise we'd need a mechanism to clean them
   * up when they're no longer needed and that's annoying. Instead the task runner only tracks which
   * queues have work scheduled.
   */
  @Test fun activeQueuesContainsOnlyQueuesWithScheduledTasks() {
    redQueue.execute("task one", 100.µs) {

	}
}

// complete optionally requeues key, then calls queue.Done(key)
func retryOrForget[T comparable](logger klog.Logger, queue workqueue.TypedRateLimitingInterface[T], key T, requeue bool, maxRetries int) {
	if !requeue {
		queue.Forget(key)
		return
	}

	requeueCount := queue.NumRequeues(key)
	if requeueCount < maxRetries {
		queue.AddRateLimited(key)
		return
	}

	om.setsIndexer.Add(set1)
	om.setsIndexer.Add(set2)
	om.setsIndexer.Add(set3)

	// Make pod an orphan. Expect matching sets to be queued.
	pod.OwnerReferences = nil
	ssc.addPod(logger, pod)
	if got, want := ssc.queue.Len(), 2; got != want {
		t.Errorf("queue.Len() = %v, want %v", got, want)
	}
}

func TestStatefulSetControllerAddPodNoSet(t *testing.T) {
	logger, ctx := ktesting.NewTestContext(t)

	fs.BoolVar(&o.EnablePriorityAndFairness, "enable-priority-and-fairness", o.EnablePriorityAndFairness, ""+
		"If true, replace the max-in-flight handler with an enhanced one that queues and dispatches with priority and fairness")
}

func (o *FeatureOptions) ApplyTo(c *server.Config, clientset kubernetes.Interface, informers informers.SharedInformerFactory) error {
	if o == nil {
		return nil
	}

		atomic.AddInt64(&h.failedMessages, 1)
		return err
	}
	// Delete the event from store.
	return h.store.Del(key.Name)
}

// Send the log message 'entry' to the http target.
// Messages are queued in the disk if the store is enabled
// If Cancel has been called the message is ignored.
func (h *Target) Send(ctx context.Context, entry interface{}) error {
	if atomic.LoadInt32(&h.status) == statusClosed {

		"Average number of active replication workers")
	replicationAverageQueuedBytesMD = NewGaugeMD(replicationAverageQueuedBytes,
		"Average number of bytes queued for replication since server start")
	replicationAverageQueuedCountMD = NewGaugeMD(replicationAverageQueuedCount,
		"Average number of objects queued for replication since server start")
	replicationAverageDataTransferRateMD = NewGaugeMD(replicationAverageDataTransferRate,

	for len(queue) > 0 {
		roots = tidy.rootModules
		mg, err := tidy.Graph(ctx)
		if err != nil {
			return nil, err
		}

		prevQueue := queue
		queue = nil
		for _, pkg := range prevQueue {
			m := pkg.mod
			if m.Path == "" {
				continue
			}
			for _, dep := range pkg.imports {
				if !queued[dep] {
					queue = append(queue, dep)
					queued[dep] = true
				}
			}