storagesupporter.php

См. документацию.

<?php
 
namespace Bitrix\Main\Grid\Pagination\Storage;
 
use Bitrix\Main\Grid\Pagination\PageNavigationStorage;
 
trait StorageSupporter
{
    private ?PageNavigationStorage $paginationStorage = null;
 
    final protected function getPaginationStorage(): ?PageNavigationStorage
    {
        $this->paginationStorage ??= $this->createStorage();
 
        return $this->paginationStorage;
    }
 
    protected function createStorage(): ?PageNavigationStorage
    {
        return new SessionPageNavigationStorage();
    }
}