Method timeout

net/rsocket/rsocket.cpp:263–263

    explicit RSocketStream(RSockFD&& fd) : rfd(std::move(fd)) {}

    uint64_t timeout() const override { return m_timeout; }
    void timeout(uint64_t tm) override { m_timeout = tm; }
    Object* get_underlay_object(uint64_t) override {
        return rfd.get_underlay_object(0);