// The accompanying status message should explain why the pod is unschedulable.
	//
	// We regard the backoff as a penalty of wasting the scheduling cycle.
	// When the scheduling queue requeues Pods, which was rejected with Unschedulable in the last scheduling,
	// the Pod goes through backoff.
	Unschedulable
	// UnschedulableAndUnresolvable is used when a plugin finds a pod unschedulable and

		newObj       interface{}
		expectedHint framework.QueueingHint
		wantErr      bool
	}{
		{
			name:         "backoff-wrong-new-object",
			newObj:       "not-a-node",
			expectedHint: framework.Queue,
			wantErr:      true,
		},
		{
			name:         "backoff-wrong-old-object",
			newObj:       nodeWithTaints("nodeA", []v1.Taint{{Key: "dedicated", Value: "user1", Effect: "NoSchedule"}}),

)

// DelayFunc returns the next time interval to wait.
type DelayFunc func() time.Duration

// Timer takes an arbitrary delay function and returns a timer that can handle arbitrary interval changes.
// Use Backoff{...}.Timer() for simple delays and more efficient timers.
func (fn DelayFunc) Timer(c clock.Clock) Timer {
	return &variableTimer{fn: fn, new: c.NewTimer}
}

	WebhookTokenAuthnCacheTTL   time.Duration
	// WebhookRetryBackoff specifies the backoff parameters for the authentication webhook retry logic.
	// This allows us to configure the sleep time at each iteration and the maximum number of retries allowed
	// before we fail the webhook call in order to limit the fan out that ensues when the system is degraded.
	WebhookRetryBackoff *wait.Backoff

	TokenSuccessCacheTTL time.Duration
	TokenFailureCacheTTL time.Duration

}

func (ssu *realStatefulSetStatusUpdater) UpdateStatefulSetStatus(
	ctx context.Context,
	set *apps.StatefulSet,
	status *apps.StatefulSetStatus) error {
	// don't wait due to limited number of clients, but backoff after the default number of steps
	return retry.RetryOnConflict(retry.DefaultRetry, func() error {
		set.Status = *status
		// TODO: This context.TODO should use a real context once we have RetryOnConflictWithContext

	// initialConfig holds the ReloadFile used to initiate background reloading,
	// and information used to construct webhooks that isn't exposed in the authorization
	// configuration file (dial function, backoff settings, etc)
	initialConfig Config

	apiServerID string

	reloadInterval         time.Duration
	requireNonWebhookTypes sets.Set[authzconfig.AuthorizerType]

	nodeAuthorizer *node.NodeAuthorizer

			q.queue.AddRateLimited(key)
			// Return early, so we do not call Forget(), allowing the rate limiting to backoff
			return true
		}
		q.log.Errorf("error handling %v, and retry budget exceeded: %v", formatKey(key), err)
	}
	// 'Forget indicates that an item is finished being retried.' - should be called whenever we do not want to backoff on this key.
	q.queue.Forget(key)
	return true
}

	fs.DurationVar(&o.InitialBackoff, "audit-webhook-initial-backoff",
		o.InitialBackoff, "The amount of time to wait before retrying the first failed request.")
	fs.DurationVar(&o.InitialBackoff, "audit-webhook-batch-initial-backoff",
		o.InitialBackoff, "The amount of time to wait before retrying the first failed request.")
	fs.MarkDeprecated("audit-webhook-batch-initial-backoff",
		"Deprecated, use --audit-webhook-initial-backoff instead.")

	}

	return
}

// If a container is still in backoff, the function will return a brief backoff error and
// a detailed error message.
func (m *kubeGenericRuntimeManager) doBackOff(pod *v1.Pod, container *v1.Container, podStatus *kubecontainer.PodStatus, backOff *flowcontrol.Backoff) (bool, string, error) {
	var cStatus *kubecontainer.Status
	for _, c := range podStatus.ContainerStatuses {

	// Options for ModeWebhook

	// WebhookRetryBackoff specifies the backoff parameters for the authorization webhook retry logic.
	// This allows us to configure the sleep time at each iteration and the maximum number of retries allowed
	// before we fail the webhook call in order to limit the fan out that ensues when the system is degraded.
	WebhookRetryBackoff *wait.Backoff

	VersionedInformerFactory versionedinformers.SharedInformerFactory