int synthetic_reply_method_error(sd_bus_message *call, const sd_bus_error *e);
int synthetic_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *p);
int synthesize_name_acquired(sd_bus *a, sd_bus *b, sd_bus_message *m);
int synthetic_reply_method_error(sd_bus_message *call, const sd_bus_error *e);
int synthetic_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *p);
int synthesize_name_acquired(sd_bus *a, sd_bus *b, sd_bus_message *m);