-int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata);
-int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata);
-int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata);
-int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata);
-int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata);
+int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);
+int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error);