r.writeCond.Broadcast()
	}

	// Unlock the mutex so readers/writers can finish.
	r.mu.Unlock()
	r.wg.Wait()
	r.mu.Lock()
	r.r = 0
	r.w = 0
	r.err = nil
	r.isFull = false
}

// WriteCloser returns a WriteCloser that writes to the ring buffer.
// When the returned WriteCloser is closed, it will wait for all data to be read before returning.
func (r *RingBuffer) WriteCloser() io.WriteCloser {

// Depending upon object type, waits afterward until the object is synced
// by the policy source
func (p *PolicyTestContext[P, B, E]) update(wait bool, objects ...runtime.Object) error {
	for _, object := range objects {
		if err := p.updateOne(object); err != nil {
			return err
		}
	}

	if wait {
		timeoutCtx, timeoutCancel := context.WithTimeout(p, 3*time.Second)

type exitStatus struct {
	err error
}

// Run starts the envoy and waits until it terminates.
// There are a few exit paths:
//  1. Envoy exits. In this case, we simply log and exit.
//  2. /quitquitquit (on agent, not Envoy) is called. We will set skipDrain and cancel the context, which triggers us to exit immediately.

		// shutting down, so give it some time.
		time.Sleep(1 * time.Millisecond)
	}
	t.Errorf("Test appears to have leaked %s:\n%s", bad, stacks)
}

// waitCondition waits for fn to return true,
// checking immediately and then at exponentially increasing intervals.
func waitCondition(t testing.TB, delay time.Duration, fn func(time.Duration) bool) {
	t.Helper()
	start := time.Now()

	}()

	// wait for all in-flight non-long running requests to finish
	nonLongRunningRequestDrainedCh := make(chan struct{})
	go func() {
		defer close(nonLongRunningRequestDrainedCh)
		defer klog.V(1).Info("[graceful-termination] in-flight non long-running request(s) have drained")

		// wait for the delayed stopCh before closing the handler chain (it rejects everything after Wait has been called).

  /**
   * Asserts that a prior call that had caused this thread to block or wait has since returned
   * normally.
   */
  public void assertPriorCallReturns(@Nullable String methodName) throws Exception {
    assertEquals(null, getResponse(methodName).getResult());
  }

  /**
   * Asserts that a prior call that had caused this thread to block or wait has since returned the
   * expected boolean value.
   */

func (c *EndpointSliceConfig) RegisterEventHandler(handler EndpointSliceHandler) {
	c.eventHandlers = append(c.eventHandlers, handler)
}

// Run waits for cache synced and invokes handlers after syncing.
func (c *EndpointSliceConfig) Run(stopCh <-chan struct{}) {
	c.logger.Info("Starting endpoint slice config controller")

      threadUnexpectedException(t);
    }
  }

  //     /**
  //      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
  //      */
  //     public void await(AtomicBoolean flag) {
  //         await(flag, LONG_DELAY_MS);
  //     }

  //     /**
  //      * Spin-waits up to the specified timeout until flag becomes true.
  //      */

	waitReasonGCSweepWait                             // "GC sweep wait"
	waitReasonGCScavengeWait                          // "GC scavenge wait"
	waitReasonChanReceive                             // "chan receive"
	waitReasonChanSend                                // "chan send"
	waitReasonFinalizerWait                           // "finalizer wait"

	c.mutex.Unlock()
	kube.WaitForCacheSync("crd watcher", stop, c.crds.HasSynced)
	c.queue.Run(stop)
	c.crds.ShutdownHandlers()
}

// WaitForCRD waits until the request CRD exists, and returns true on success. A false return value
// indicates the CRD does not exist but the wait failed or was canceled.
// This is useful to conditionally enable controllers based on CRDs being created.