factory.php

<?php
namespace Bitrix\Sale\Exchange\Integration\Admin;
 
class Factory
{
 
    static public function create($type)
    {
        if($type == ModeType::DEFAULT_TYPE)
        {
            return new DefaultLink();
        }
        elseif ($type == ModeType::APP_LAYOUT_TYPE)
        {
            return new AppLayoutLink();
        }
        else
        {
            throw new \Bitrix\Main\NotSupportedException("Mode type: '".$type."' is not supported in current context");
        }
    }
}