ret = bt_stream_class_set_packet_context_field_class(
stream_class, packet_context_type);
BT_ASSERT(ret == 0);
ret = bt_stream_class_set_event_header_field_class(
stream_class, event_header_type);
BT_ASSERT(ret == 0);
ret = bt_stream_class_set_packet_context_field_class(
stream_class, packet_context_type);
BT_ASSERT(ret == 0);
ret = bt_stream_class_set_event_header_field_class(
stream_class, event_header_type);
BT_ASSERT(ret == 0);