16     private $transferTime;
 
   17     private $handlerStats;
 
   18     private $handlerErrorData;
 
   31         $handlerErrorData = 
null,
 
   34         $this->request = $request;
 
   35         $this->response = $response;
 
   36         $this->transferTime = $transferTime;
 
   37         $this->handlerErrorData = $handlerErrorData;
 
   38         $this->handlerStats = $handlerStats;
 
   46         return $this->request;
 
   56         return $this->response;
 
   66         return $this->response !== 
null;
 
   80         return $this->handlerErrorData;
 
   90         return $this->request->getUri();
 
  100         return $this->transferTime;
 
  110         return $this->handlerStats;
 
  122         return isset($this->handlerStats[$stat])
 
  123             ? $this->handlerStats[$stat]