typedef bt_component_class_query_method_status
(*bt_component_class_filter_query_method)(
bt_self_component_class_filter *comp_class,
typedef bt_component_class_query_method_status
(*bt_component_class_filter_query_method)(
bt_self_component_class_filter *comp_class,
typedef bt_component_class_port_connected_method_status
(*bt_component_class_filter_input_port_connected_method)(
typedef bt_component_class_port_connected_method_status
(*bt_component_class_filter_input_port_connected_method)(