((const struct bt_field *) (_field))->class->type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD, \
_name " is not a variant field: %![field-]+f", (_field))
((const struct bt_field *) (_field))->class->type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD, \
_name " is not a variant field: %![field-]+f", (_field))