int sttd_engine_agent_is_recognition_type_supported(const char* type, bool* support);
+int sttd_engine_agent_get_audio_format(stte_audio_type_e* type, int* rate, int* num_of_channels);
+
int sttd_engine_agent_set_default_engine(const char* engine_uuid);
int sttd_engine_agent_set_default_language(const char* language);