bt_component_class_query_method_status
metadata_info_query(bt_self_component_class_source *comp_class, const bt_value *params,
bt_logging_level log_level, const bt_value **result);
bt_component_class_query_method_status
metadata_info_query(bt_self_component_class_source *comp_class, const bt_value *params,
bt_logging_level log_level, const bt_value **result);