code: public function retry($group, $message, $delay = 0)
      {
          return $this->client
              ->retry(
                  $this->jid,
                  $this->queue,
                  $this->worker,
                  $delay,
                  $group,
                  $message
              );
      }
docs: Return the job to the work queue for processing
  
  @param string $group
  @param string $message
  @param int $delay
  
  @return int remaining retries available