const auto streamCls = bt_stream_class_create(traceCls);
const auto eventCls = bt_event_class_create(streamCls);
const auto payloadCls = bt_field_class_structure_create(traceCls);
const auto streamCls = bt_stream_class_create(traceCls);
const auto eventCls = bt_event_class_create(streamCls);
const auto payloadCls = bt_field_class_structure_create(traceCls);