inventorytree.php

См. документацию.

<?php
namespace Bitrix\Catalog\Product\Store\BatchBalancer;
 
use Bitrix\Catalog\Product\Store\BatchBalancer\Entity\StoreItem;
use Bitrix\Main\Result;
use Bitrix\Catalog\Product\Store\BatchBalancer\Entity\ElementBatchItem;

abstract class InventoryTree extends \ArrayObject
{
    public function save(): Result
    {
        $result = new Result();
        foreach ($this->getIterator() as $item)
        {
            $item->save();
        }
 
        return $result;
    }
}