/**
  * @return string
  */
 public function getFormattedMessage()
 {
     $message = "";
     $message .= "[HTTP " . $this->httpStatus->getStatus() . "] - " . $this->getHttpMessage() . "\n";
     foreach ($this->errors as $key => $value) {
         if ($value instanceof PagSeguroError) {
             $message .= "{$key} [" . $value->getCode() . "] - " . $value->getMessage();
         }
     }
     return $message;
 }