using ops::QueueDequeue;
using ops::QueueEnqueue;
using ops::RandomNormal;
using ops::Square;
using ops::Variable;

constexpr char kAssignOpName[] = "assign";
constexpr char kCancelOp0[] = "cancel0";
constexpr char kCancelOp1[] = "cancel1";
constexpr char kCloseOp0[] = "close0";
constexpr char kCloseOp1[] = "close1";
constexpr char kCountUpToOpName[] = "count";
constexpr char kDequeueOp0[] = "dequeue0";

	const rootCertFile = ""
	rootCertCheckInverval := time.Hour
	rsaKeySize := 2048

	client := fake.NewSimpleClientset()

	// succeed creating a self-signed cert
	ctx0, cancel0 := context.WithTimeout(context.Background(), time.Millisecond*50)
	defer cancel0()
	_, err := NewSelfSignedIstioCAOptions(ctx0, 0,
		caCertTTL, defaultCertTTL, rootCertCheckInverval, maxCertTTL, org, false, false,

		checkValues("after timeout")
	} else {
		cancel := cancels[r.Intn(len(cancels))]
		cancel()
		select {
		case <-ctx.Done():
		default:
			errorf("ctx should be canceled")
		}
		checkValues("after cancel")
	}
}

func TestWithCancelCanceledParent(t *testing.T) {
	parent, pcancel := WithCancelCause(Background())
	cause := fmt.Errorf("Because!")
	pcancel(cause)

	c, _ := WithCancel(parent)

// Calling cancel with nil sets the cause to Canceled.
//
// Example use:
//
//	ctx, cancel := context.WithCancelCause(parent)
//	cancel(myError)
//	ctx.Err() // returns context.Canceled
//	context.Cause(ctx) // returns myError
func WithCancelCause(parent Context) (ctx Context, cancel CancelCauseFunc) {
	c := withCancel(parent)
	return c, func(cause error) { c.cancel(true, Canceled, cause) }
}

		return &Stream{responses: responseCh, Requests: nil, ctx: m.ctx, cancel: m.cancelFn, muxID: m.MuxID}, nil
	}

	// Deliver responses and send unblocks back to the server.
	go m.handleTwowayResponses(responseCh, responses)
	go m.handleTwowayRequests(responses, requests)

	return &Stream{responses: responseCh, Requests: requests, ctx: m.ctx, cancel: m.cancelFn, muxID: m.MuxID}, nil
}

        CountdownTimer timer = Time.startCountdownTimer(cancelTimeoutMs);

        LOGGER.debug("Cancel requested: will wait for daemon to become idle.");
        try {
            cancellationToken.cancel();
        } catch (Exception ex) {
            LOGGER.error("Cancel processing failed. Will continue.", ex);
        }

        lock.lock();
        try {

	ctx, cancel := context.WithCancel(context.Background())
	cancel()
	return ctx, cancel
}
func deadlinedContext() (context.Context, context.CancelFunc) {
	ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond)
	for ctx.Err() != context.DeadlineExceeded {
		time.Sleep(501 * time.Microsecond)
	}
	return ctx, cancel
}

        else -> Socket(route.proxy)
      }
    this.rawSocket = rawSocket

    // Handle the race where cancel() precedes connectSocket(). We don't want to miss a cancel.
    if (canceled) {
      throw IOException("canceled")
    }

    rawSocket.soTimeout = socketReadTimeoutMillis
    try {

	c.mutex.Lock()
	defer c.mutex.Unlock()

	if active := c.activePlugins[driverName]; active != nil {
		active.cancel(errors.New("plugin has re-registered"))
	}
	active := &activePlugin{}
	cancelCtx, cancel := context.WithCancelCause(c.ctx)
	active.cancel = cancel
	c.activePlugins[driverName] = active
	c.queue.Add(driverName)

	c.wg.Add(1)
	go func() {
		defer c.wg.Done()

   */
  override fun cancel() {
    if (canceled) return // Already canceled.

    canceled = true
    exchange?.cancel()
    for (plan in plansToCancel) {
      plan.cancel()
    }

    eventListener.canceled(this)
  }

  override fun isCanceled(): Boolean = canceled

  override fun execute(): Response {