int bus_unit_queue_job(sd_bus_message *message, Unit *u, JobType type, JobMode mode, bool reload_if_possible, sd_bus_error *error);
int bus_unit_set_properties(Unit *u, sd_bus_message *message, UnitSetPropertiesMode mode, bool commit, sd_bus_error *error);
int bus_unit_method_set_properties(sd_bus_message *message, void *userdata, sd_bus_error *error);
+
+int bus_unit_check_load_state(Unit *u, sd_bus_error *error);