&metrics.CounterOpts{
			Subsystem:      SchedulerSubsystem,
			Name:           "queue_incoming_pods_total",
			Help:           "Number of pods added to scheduling queues by event and queue type.",
			StabilityLevel: metrics.STABLE,
		}, []string{"queue", "event"})

	PermitWaitDuration = metrics.NewHistogramVec(
		&metrics.HistogramOpts{
			Subsystem:      SchedulerSubsystem,

  if (wait_for > 0) {
    if (!counter_->WaitFor(std::chrono::milliseconds(wait_for))) {
      return Status(absl::StatusCode::kDeadlineExceeded,
                    "Queues not fed before the timeout");
    }
    // Check the status of the queue runner as well as the result of the enqueue
    // operations.
    mutex_lock l(mu_);
    if (!enqueue_status_.ok()) {
      return enqueue_status_;
    } else {

const (
	_ TargetType = iota
	TargetConsole
	TargetHTTP
	TargetKafka
)

// TargetStats contains statistics for a target.
type TargetStats struct {
	// QueueLength is the queue length if any messages are queued.
	QueueLength int

	// TotalMessages is the total number of messages sent in the lifetime of the target
	TotalMessages int64

	// FailedMessages should log message count that failed to send.

func (pls *priorityLevelState) GoString() string {
	if pls == nil {
		return "nil"
	}
	return fmt.Sprintf("&priorityLevelState{pl:%s, qsCompleter:%#+v, queues:%#+v, quiescing:%#v, numPending:%d}", fcfmt.Fmt(pls.pl), pls.qsCompleter, pls.queues, pls.quiescing, pls.numPending)

	// and HA etcd servers to observe last minute object creations inside the namespace
	nm.queue.AddAfter(key, namespaceDeletionGracePeriod)
}

// worker processes the queue of namespace objects.
// Each namespace can be in the queue at most once.
// The system ensures that no two workers can process
// the same namespace at the same time.

		if ok {
			for i, queue := range config.QueueList {
				// Remove ARN not found queues, because we previously allowed
				// adding unexpected entries into the config.
				//
				// With newer config disallowing changing / turning off
				// notification targets without removing ARN in notification
				// configuration we won't see this problem anymore.
				if reflect.DeepEqual(queue.ARN, arnErr.ARN) && i < len(config.QueueList) {

    interface Artifacts {
        /**
         * Called before any of the other methods are called on this set.
         */
        default void prepareForVisitingIfNotAlready() {}

        /**
         * Queues up any work still remaining to finalize the set of artifacts contained in this set.
         */
        void startFinalization(BuildOperationQueue<RunnableBuildOperation> actions, boolean requireFiles);

        /**

func SetDefaults_QueuingConfiguration(cfg *v1beta2.QueuingConfiguration) {
	if cfg.HandSize == 0 {
		cfg.HandSize = PriorityLevelConfigurationDefaultHandSize
	}
	if cfg.Queues == 0 {
		cfg.Queues = PriorityLevelConfigurationDefaultQueues
	}
	if cfg.QueueLengthLimit == 0 {
		cfg.QueueLengthLimit = PriorityLevelConfigurationDefaultQueueLengthLimit
	}

            return;
        }
        buildOperationExecutor.runAll(queue -> {
            VerificationEvent event;
            synchronized (verificationEvents) {
                while ((event = verificationEvents.poll()) != null) {
                    VerificationEvent ve = event;
                    queue.add(new RunnableBuildOperation() {
                        @Override

func SetDefaults_QueuingConfiguration(cfg *v1.QueuingConfiguration) {
	if cfg.HandSize == 0 {
		cfg.HandSize = PriorityLevelConfigurationDefaultHandSize
	}
	if cfg.Queues == 0 {
		cfg.Queues = PriorityLevelConfigurationDefaultQueues
	}
	if cfg.QueueLengthLimit == 0 {
		cfg.QueueLengthLimit = PriorityLevelConfigurationDefaultQueueLengthLimit
	}