func (l *gcCPULimiterState) limiting() bool {
	return l.enabled.Load()
}

// startGCTransition notifies the limiter of a GC transition.
//
// This call takes ownership of the limiter and disables all other means of
// updating the limiter. Release ownership by calling finishGCTransition.
//
// It is safe to call concurrently with other operations.

	return l
}

func (l *GCCPULimiter) Fill() uint64 {
	return l.limiter.bucket.fill
}

func (l *GCCPULimiter) Capacity() uint64 {
	return l.limiter.bucket.capacity
}

func (l *GCCPULimiter) Overflow() uint64 {
	return l.limiter.overflow
}

func (l *GCCPULimiter) Limiting() bool {
	return l.limiter.limiting()
}

func (l *GCCPULimiter) NeedUpdate(now int64) bool {

	if limiter := pl.Spec.Limited; limiter != nil {
		return limiter.NominalConcurrencyShares, limiter.LendablePercent, limiter.BorrowingLimitPercent
	}
	limiter := pl.Spec.Exempt
	var nominalConcurrencyShares int32
	if limiter.NominalConcurrencyShares != nil {
		nominalConcurrencyShares = *limiter.NominalConcurrencyShares
	}

		runtime, only their block. Each block is already accounted for
		in allocs-by-size and frees-by-size.

	/gc/limiter/last-enabled:gc-cycle
		GC cycle the last time the GC CPU limiter was enabled.
		This metric is useful for diagnosing the root cause of an
		out-of-memory error, because the limiter trades memory for CPU
		time when the GC's CPU time gets too high. This is most likely

		if prober != nil {
			prober.Close()
			clientErr = fmt.Errorf("server is shutting down")
		}
	}()

	// limit to a request every half of the configured timeout with a maximum burst of one
	// rate limited requests will receive the last request sent error (note: not the last received response)
	limiter := rate.NewLimiter(rate.Every(timeout/2), 1)
	// initial state is the clientErr

	// cleanup is to delete the workload entry

	// queue contains workloadEntry that need to be unregistered
	queue controllers.Queue
	// cleanupLimit rate limit's auto registered WorkloadEntry cleanup calls to k8s
	cleanupLimit *rate.Limiter
	// cleanupQueue delays the cleanup of auto registered WorkloadEntries to allow for grace period
	cleanupQueue queue.Delayed

	adsConnections        *adsConnections

			// 10 qps, 100 bucket size. This is only for retry speed and its
			// only the overall factor (not per item).
			&workqueue.TypedBucketRateLimiter[string]{Limiter: rate.NewLimiter(rate.Limit(10), 100)},
		),
			workqueue.TypedRateLimitingQueueConfig[string]{
				Name: "endpoint_slice_mirroring",
			},
		),
		workerLoopPeriod: time.Second,
	}

	})
	c.serviceLister = serviceInformer.Lister()
	c.servicesSynced = serviceInformer.Informer().HasSynced

	podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    c.addPod,
		UpdateFunc: c.updatePod,
		DeleteFunc: c.deletePod,
	})
	c.podLister = podInformer.Lister()
	c.podsSynced = podInformer.Informer().HasSynced

	c.nodeLister = nodeInformer.Lister()

		DeleteFunc: c.deleteServiceCIDR,
	})
	c.serviceCIDRLister = serviceCIDRInformer.Lister()
	c.serviceCIDRsSynced = serviceCIDRInformer.Informer().HasSynced

	_, _ = ipAddressInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
		AddFunc:    c.addIPAddress,
		DeleteFunc: c.deleteIPAddress,
	})

	c.ipAddressLister = ipAddressInformer.Lister()
	c.ipAddressSynced = ipAddressInformer.Informer().HasSynced

	ProxyNeedsPush func(proxy *model.Proxy, req *model.PushRequest) bool

	// concurrentPushLimit is a semaphore that limits the amount of concurrent XDS pushes.
	concurrentPushLimit chan struct{}
	// RequestRateLimit limits the number of new XDS requests allowed. This helps prevent thundering hurd of incoming requests.
	RequestRateLimit *rate.Limiter

	// InboundUpdates describes the number of configuration updates the discovery server has received