void process_command(const std::string &);
void send_reply(const std::string &);
void list_directory(const Msp::FS::Path &);
void process_command(const std::string &);
void send_reply(const std::string &);
void list_directory(const Msp::FS::Path &);
void stream_duration_changed(const Msp::Time::TimeDelta &);
void stream_position_changed(const Msp::Time::TimeDelta &);
void stream_duration_changed(const Msp::Time::TimeDelta &);
void stream_position_changed(const Msp::Time::TimeDelta &);