Contao\CoreBundle\Framework\ContaoFramework::includeHelpers PHP Method

    private function includeHelpers()
    {
        require __DIR__ . '/../Resources/contao/helper/functions.php';
        require __DIR__ . '/../Resources/contao/config/constants.php';
        require __DIR__ . '/../Resources/contao/helper/interface.php';
        require __DIR__ . '/../Resources/contao/helper/exception.php';
    }