ImportOneCPackage::save

protected function save(ExchangeEntityOrderImport $orderImport, $items)
    {
        foreach ($items as $item)
        {
            if($item instanceof ExchangeEntityEntityImport)
            {
                $collisions = $item->getCollisions();
                if (!empty($collisions))
                {
                    /** @var ICollision $collision */
                    $item->markedEntityCollisions($collisions);
                }
            }
        }
        return $orderImport->save();
    }