struct bt_field_common_methods *methods,
GDestroyNotify field_destroy_func);
BT_HIDDEN
int bt_field_common_variant_initialize(struct bt_field_common *field,
struct bt_field_type_common *type,
struct bt_field_common_methods *methods,
GDestroyNotify field_destroy_func);
BT_HIDDEN
int bt_field_common_variant_initialize(struct bt_field_common *field,
struct bt_field_type_common *type,