virtual const char *enumerate_protocols(unsigned) const;
virtual unsigned get_protocol_speed_steps(const std::string &) const;
+ virtual DetectedLocomotive *enumerate_detected_locos(unsigned) const { return 0; }
virtual unsigned add_loco(unsigned a, const std::string &, const VehicleType &) { return a; }
virtual void remove_loco(unsigned) { }
virtual void set_loco_speed(unsigned, unsigned);