#endif /* DBUS_USERDB_INCLUDES_PRIVATE */
DBusUserDatabase* _dbus_user_database_get_system (void);
-void _dbus_user_database_lock_system (void);
+dbus_bool_t _dbus_user_database_lock_system (void) _DBUS_GNUC_WARN_UNUSED_RESULT;
void _dbus_user_database_unlock_system (void);
void _dbus_user_database_flush_system (void);