// Context for the server.
	ctx context.Context

	// Active mux connections.
	outgoing *xsync.MapOf[uint64, *muxClient]

	// Incoming streams
	inStream *xsync.MapOf[uint64, *muxServer]

	// outQueue is the output queue
	outQueue chan []byte

	// Client or serverside.
	side ws.State

	// Transport for outgoing connections.
	dialer ContextDialer
	header http.Header

	handleMsgWg sync.WaitGroup