int bt_ctf_validate_class_types(struct bt_ctf_private_value *environment,
struct bt_ctf_field_type_common *packet_header_type,
struct bt_ctf_field_type_common *packet_context_type,
int bt_ctf_validate_class_types(struct bt_ctf_private_value *environment,
struct bt_ctf_field_type_common *packet_header_type,
struct bt_ctf_field_type_common *packet_context_type,