}
    for (existingCall in readyAsyncCalls) {
      if (existingCall.host == host) return existingCall
    }
    return null
  }

  /**
   * Cancel all calls currently enqueued or executing. Includes calls executed both
   * [synchronously][Call.execute] and [asynchronously][Call.enqueue].
   */
  fun cancelAll() {
    this.withLock {
      for (call in readyAsyncCalls) {

      "FINE: Q10000 scheduled after 100 µs: task",
      "FINE: Q10000 starting              : task",
      "FINE: Q10000 finished run in   0 µs: task",
    )
  }

  /** Inspect how many runnables have been enqueued. If none then we're truly sequential. */
  @Test fun singleQueueIsSerial() {
    redQueue.execute("task one", 100.µs) {
      log += "one:run@${taskFaker.nanoTime} parallel=${taskFaker.isParallel}"
    }

	set := newStatefulSet(3)
	pod := newStatefulSetPod(set, 0)
	ssc.addPod(logger, pod)
	ssc.queue.ShutDown()
	key, _ := ssc.queue.Get()
	if key != "" {
		t.Errorf("StatefulSet enqueued key for Pod with no Set %s", key)
	}
}

func TestStatefulSetControllerUpdatePod(t *testing.T) {
	logger, ctx := ktesting.NewTestContext(t)
	ssc, _, om, _ := newFakeStatefulSetController(ctx)

			manager.enqueueDaemonSet = func(ds *apps.DaemonSet) {
				if ds.Name == "ds" {
					enqueued = true
				}
			}

			enqueued = false
			manager.updateNode(logger, c.oldNode, c.newNode)
			if enqueued != c.shouldEnqueue {
				t.Errorf("Test case: '%s', expected: %t, got: %t", c.test, c.shouldEnqueue, enqueued)
			}
		}
	}
}

	start := uintptr(unsafe.Pointer(&pp.wbBuf.buf[0]))
	n := (pp.wbBuf.next - start) / unsafe.Sizeof(pp.wbBuf.buf[0])
	ptrs := pp.wbBuf.buf[:n]

	// Poison the buffer to make extra sure nothing is enqueued
	// while we're processing the buffer.
	pp.wbBuf.next = 0

	if useCheckmark {
		// Slow path for checkmark mode.
		for _, ptr := range ptrs {
			shade(ptr)
		}
		pp.wbBuf.reset()
		return

    }

    /**
     * Returns true if the request contains conditions that save the server from sending a response
     * that the client has locally. When a request is enqueued with its own conditions, the built-in
     * response cache won't be used.
     */
    private fun hasConditions(request: Request): Boolean =

  ): RecordedRequest? = requestQueue.poll(timeout, unit)

  /**
   * Scripts [response] to be returned to a request made in sequence. The first request is
   * served by the first enqueued response; the second request by the second enqueued response; and
   * so on.
   *
   * @throws ClassCastException if the default dispatcher has been
   * replaced with [setDispatcher][dispatcher].
   */

}

type packetQueueState struct {
	head, tail      *packet // unqueued packets
	nBytes          int     // number of bytes enqueued in the packet buffers starting from head
	readBufferBytes int     // soft limit on nbytes; no more packets may be enqueued when the limit is exceeded
	readClosed      bool    // true if the reader of the queue has stopped reading

TF_CAPI_EXPORT extern TFE_Executor* TFE_NewExecutor(
    bool is_async, bool enable_streaming_enqueue, int in_flight_nodes_limit);

// Deletes the eager Executor without waiting for enqueued nodes. Please call
// TFE_ExecutorWaitForAllPendingNodes before calling this API if you want to
// make sure all nodes are finished.
TF_CAPI_EXPORT extern void TFE_DeleteExecutor(TFE_Executor*);

}

func (gc *GarbageCollector) runAttemptToDeleteWorker(ctx context.Context) {
	for gc.processAttemptToDeleteWorker(ctx) {
	}
}

var enqueuedVirtualDeleteEventErr = goerrors.New("enqueued virtual delete event")

var namespacedOwnerOfClusterScopedObjectErr = goerrors.New("cluster-scoped objects cannot refer to namespaced owners")