/**
* @param string $field Field name.
* @param string $order Order direction.
* @param BuilderInterface $nestedFilter Filter for sorting.
* @param string $mode Multi-valued field sorting mode [MODE_MIN, MODE_MAX, MODE_AVG, MODE_SUM].
*/
public function __construct($field, $order = self::ORDER_ASC, BuilderInterface $nestedFilter = null, $mode = null)
{
parent::__construct($field, $order, $mode);
if ($nestedFilter) {
$this->setNestedFilter($nestedFilter);
}
}
