+int stt_dbus_request_set_private_data(int uid, const char* key, const char* data);
+
+int stt_dbus_request_get_private_data(int uid, const char* key, char** data);
+
+int stt_dbus_request_is_recognition_type_supported(int uid, const char* type, bool* support);
+
+int stt_dbus_request_set_start_sound(int uid, const char* file);
+
+int stt_dbus_request_unset_start_sound(int uid);
+
+int stt_dbus_request_set_stop_sound(int uid, const char* file);
+
+int stt_dbus_request_unset_stop_sound(int uid);
+