cancel             context.CancelFunc
	inbound            chan []byte
	parent             *Connection
	sendMu             sync.Mutex
	recvMu             sync.Mutex
	outBlock           chan struct{}
	clientPingInterval time.Duration
}

func newMuxStateless(ctx context.Context, msg message, c *Connection, handler StatelessHandler) *muxServer {
	var cancel context.CancelFunc
	ctx = setCaller(ctx, c.remote)

				break keepLock
			case ld.lockContext <- lkctx:
				// Send the lock context to anyone asking for it
			}
		}
	}
}

func mergeContext(ctx1, ctx2 context.Context) (context.Context, context.CancelFunc) {
	ctx, cancel := context.WithCancel(context.Background())
	go func() {
		select {
		case <-ctx1.Done():
		case <-ctx2.Done():
		// The lock acquirer decides to cancel, exit this goroutine
		case <-ctx.Done():

	rng                  *rand.Rand
	m                    sync.Mutex // Mutex to prevent multiple simultaneous locks from this node
	clnt                 *Dsync
	cancelRefresh        context.CancelFunc
	refreshInterval      time.Duration
	lockRetryMinInterval time.Duration
}

// Granted - represents a structure of a granted lock.
type Granted struct {
	index   int

	failedRequests int64

	lazyInit lazyInit

	id         event.TargetID
	args       WebhookArgs
	transport  *http.Transport
	httpClient *http.Client
	loggerOnce logger.LogOnce
	cancel     context.CancelFunc
	cancelCh   <-chan struct{}
}

// ID - returns target ID.
func (target *WebhookTarget) ID() event.TargetID {
	return target.id
}

// IsActive - Return true if target is up and active

	opts        TCPOptions
	listeners   []net.Listener    // underlying TCP listeners.
	acceptCh    chan acceptResult // channel where all TCP listeners write accepted connection.
	ctxDoneCh   <-chan struct{}
	ctxCanceler context.CancelFunc
}

// start - starts separate goroutine for each TCP listener.  A valid new connection is passed to httpListener.acceptCh.
func (listener *httpListener) start() {

	id         event.TargetID
	args       WebhookArgs
	transport  *http.Transport
	httpClient *http.Client
	store      store.Store[event.Event]
	loggerOnce logger.LogOnce
	cancel     context.CancelFunc
	cancelCh   <-chan struct{}

	addr string // full address ip/dns with a port number, e.g.  x.x.x.x:8080
}

// ID - returns target ID.
func (target *WebhookTarget) ID() event.TargetID {
	return target.id

type TestGrid struct {
	Servers     []*httptest.Server
	Listeners   []net.Listener
	Managers    []*Manager
	Mux         []*mux.Router
	Hosts       []string
	cleanupOnce sync.Once
	cancel      context.CancelFunc
}

// SetupTestGrid creates a new grid for testing purposes.
// Select the number of hosts to create.
// Call (TestGrid).Cleanup() when done.
func SetupTestGrid(n int) (*TestGrid, error) {

	RUnlock(lkCtx LockContext)
}

// LockContext lock context holds the lock backed context and canceler for the context.
type LockContext struct {
	ctx    context.Context
	cancel context.CancelFunc
}

// Context returns lock context
func (l LockContext) Context() context.Context {
	return l.ctx
}

// Cancel function calls cancel() function
func (l LockContext) Cancel() {
	if l.cancel != nil {

	logCh   chan any
	logChMu sync.RWMutex

	// store to persist and replay the logs to the target
	// to avoid missing events when the target is down.
	store          store.Store[any]
	storeCtxCancel context.CancelFunc

	initKafkaOnce      once.Init
	initQueueStoreOnce once.Init

	client   sarama.Client
	producer sarama.SyncProducer
	kconfig  Config
	config   *sarama.Config
}

			})
		}); err != nil {
			t.Fatalf("prepare statement and nested transaction coexist: %v", err)
		}
	})
}

func TestCancelTransaction(t *testing.T) {
	ctx := context.Background()
	ctx, cancelFunc := context.WithCancel(ctx)
	cancelFunc()

	user := *GetUser("cancel_transaction", Config{})
	DB.Create(&user)

	err := DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
		var result User
		tx.First(&result, user.ID)