setup.php

<?php
 
namespace Bitrix\Seo\Controller\Business;
 
use Bitrix\Main;
use Bitrix\Seo\BusinessSuite\Configuration\Facebook;
use Bitrix\Seo\BusinessSuite\Configuration\IConfig;
 
final class Setup extends Main\Engine\Controller
{
    public function defaultAction(): IConfig
    {
        try
        {
            $current = $this->loadAction();
        }
        finally
        {
            return $current ?? Facebook\Setup::default();
        }
 
    }
 
    public function loadAction(): IConfig
    {
        return Facebook\Setup::load();
    }
}