public static function get_sub_field_brick_instance()
{
$row_layout = get_row_layout();
$class_name = 'fewbricks\\bricks\\' . self::get_sub_field_brick_class_name();
$instance = new $class_name($row_layout);
/** @noinspection PhpUndefinedMethodInspection */
$instance->set_is_layout(true);
return $instance;
}