// WaitForAPI waits for the API Server's /healthz endpoint to become "ok"
	// TODO: remove WaitForAPI once WaitForAllControlPlaneComponents goes GA:
	// https://github.com/kubernetes/kubeadm/issues/2907
	WaitForAPI() error
	// WaitForPodsWithLabel waits for Pods in the kube-system namespace to become Ready
	WaitForPodsWithLabel(kvLabel string) error

		// If fork fails there is nothing to wait for.
		if ret.err != nil || ret.pid == 0 {
			forkc <- ret
			return
		}

		waitc := make(chan *waitErr, 1)

		// Mark that the process is running.
		procs.Lock()
		if procs.waits == nil {
			procs.waits = make(map[int]chan *waitErr)
		}
		procs.waits[ret.pid] = waitc
		procs.Unlock()

		forkc <- ret

		var w waitErr

func (t *Tracker[T]) Empty() {
	t.t.Helper()
	t.mu.Lock()
	defer t.mu.Unlock()
	if len(t.events) != 0 {
		t.t.Fatalf("unexpected events: %v", t.events)
	}
}

// WaitOrdered waits for an event to happen, in order
func (t *Tracker[T]) WaitOrdered(events ...T) {
	t.t.Helper()
	for i, event := range events {
		var err error
		retry.UntilSuccessOrFail(t.t, func() error {
			t.mu.Lock()

	}
	return nil
}

// ExpectError waits until an error is received and returns it
func (a *DeltaAdsTest) ExpectError() error {
	a.t.Helper()
	select {
	case <-time.After(a.timeout):
		a.t.Fatalf("did not get error in time")
	case err := <-a.error:
		return err
	}
	return nil
}

// ExpectNoResponse waits a short period of time and ensures no response is received

    // TODO(user): Consider scaling by number of mutator threads,
    // e.g. using Thread#activeCount()
    return Math.max(10L, Runtime.getRuntime().totalMemory() / (32L * 1024L * 1024L));
  }

  /**
   * Waits until the given future {@linkplain Future#isDone is done}, invoking the garbage collector
   * as necessary to try to ensure that this will happen.
   *
   * @throws RuntimeException if timed out or interrupted while waiting

    // TODO(user): Consider scaling by number of mutator threads,
    // e.g. using Thread#activeCount()
    return Math.max(10L, Runtime.getRuntime().totalMemory() / (32L * 1024L * 1024L));
  }

  /**
   * Waits until the given future {@linkplain Future#isDone is done}, invoking the garbage collector
   * as necessary to try to ensure that this will happen.
   *
   * @throws RuntimeException if timed out or interrupted while waiting

        then:
        counter == 1
        def e = thrown(RuntimeException)
        e == failure

        cleanup:
        cacheAccessWorker?.stop()
    }

    def "stop waits for queued actions to complete"() {
        given:
        def counter = 0
        def action = {
            thread.block()
            counter++
        }
        cacheAccessWorker.enqueue(action)

			previousSidecarName = ic.Name
		}
	}
	return to
}

// waitForTurn waits until it is time for the container with the specified name to begin terminating, up until
// the specified grace period.  If gracePeriod = 0, there is no wait.
func (o *terminationOrdering) waitForTurn(name string, gracePeriod int64) float64 {
	// if there is no grace period, we don't wait
	if gracePeriod <= 0 {
		return 0
	}

	start := time.Now()

	}
	return nil
}

// ExpectError waits until an error is received and returns it
func (a *AdsTest) ExpectError(t test.Failer) error {
	t.Helper()
	select {
	case <-time.After(a.timeout):
		t.Fatalf("did not get error in time")
	case err := <-a.error:
		return err
	}
	return nil
}

// ExpectNoResponse waits a short period of time and ensures no response is received

    void registerWork(BuildOperationRef operation, AsyncWorkCompletion completion);

    /**
     * Blocks waiting for the completion of all items of asynchronous work associated with the provided build operation.
     * Only waits for work that has been registered at the moment the method is called.  In the event that there are failures in
     * the asynchronous work, a {@link org.gradle.internal.exceptions.MultiCauseException} will be thrown with any exceptions