/**
  * Создаёт новый автоматизированный регистратор форм
  * @param string $uri URI для текущего запроса
  */
 function __construct()
 {
     parent::HTML_MetaForm(Session::userSupertag());
     $this->MF_META_ELT = self::SIGN_ELT;
     //do not use sessions to avoid possible collisions
     $this->MF_USE_SESSION = false;
 }
 function __construct($key)
 {
     //TODO ClientRequest
     Assert::isFalse(headers_sent() || Response::isFinished(), 'Yup! Headers are already sent so the storage cannot work properly.');
     ob_start();
     $this->basekey = $key . Session::userSupertag(true);
     $this->key = $this->sign($key);
 }