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)
	if msg.DeadlineMS > 0 {