public function __construct($appName, IRequest $request, IL10N $l, RequestMapper $requestMapper, $userId)
 {
     parent::__construct($appName, $request, 'GET, POST');
     $this->l = $l;
     $this->requestMapper = $requestMapper;
     $this->userId = $userId;
 }
 public function __construct($appName, IRequest $request, IL10N $l)
 {
     parent::__construct($appName, $request, 'GET, POST');
     $this->l = $l;
 }