+extern const char *bt_component_class_get_help(
+ struct bt_component_class *component_class);
+
+extern int bt_component_class_set_query_method(
+ struct bt_component_class *component_class,
+ bt_component_class_query_method query_method);
+
+extern struct bt_value *bt_component_class_query(
+ struct bt_component_class *component_class,
+ const char *object, struct bt_value *params);
+