public static function fromMultiTransferException(MultiTransferException $e)
 {
     $ce = new self($e->getMessage(), $e->getCode(), $e->getPrevious());
     $ce->setSuccessfulRequests($e->getSuccessfulRequests());
     $alreadyAddedExceptions = array();
     foreach ($e->getFailedRequests() as $request) {
         if ($re = $e->getExceptionForFailedRequest($request)) {
             $alreadyAddedExceptions[] = $re;
             $ce->addFailedRequestWithException($request, $re);
         } else {
             $ce->addFailedRequest($request);
         }
     }
     if (count($alreadyAddedExceptions) < count($e)) {
         foreach ($e as $ex) {
             if (!in_array($ex, $alreadyAddedExceptions)) {
                 $ce->add($ex);
             }
         }
     }
     return $ce;
 }