code: public function getListFiles(Requests\GetListFilesRequest $request)
      {
          try {
               list($response) = $this->getListFilesWithHttpInfo($request);
               return $response;
          }
          catch(RepeatRequestException $e) {
               list($response) = $this->getListFilesWithHttpInfo($request);
               return $response;
          } 
      }
docs: /*
  Operation getListFiles
  
  Get the file listing of a specific folder
  
  @param Requests\GetListFilesRequest $request is a request object for operation
  
  @throws \Aspose\Storage\ApiException on non-2xx response
  @throws \InvalidArgumentException
  @return \Aspose\Storage\Model\FilesResponse