refreshfactory.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Basket;
 
class RefreshFactory
{
    const TYPE_FULL = 'full';
    const TYPE_SINGLE = 'single';
 
    public static function create($type = '', $params = null)
    {
        switch ($type)
        {
            case self::TYPE_SINGLE:
                $strategy = new SingleRefreshStrategy($params);
                break;
 
            case self::TYPE_FULL:
            default:
                $strategy = new FullRefreshStrategy($params);
        }
 
        return $strategy;
    }
 
    public static function createSingle($basketItemCode)
    {
        return static::create(self::TYPE_SINGLE, array(
            'BASKET_ITEM_CODE' => $basketItemCode
        ));
    }
}