code: func findStringInSignalMap(killSignal syscall.Signal) (string, error) {
  	for k, v := range signal.SignalMap {
  		if v == killSignal {
  			return k, nil
  		}
  	}
  	return "", errors.Errorf("unable to convert signal to string")
  
  }
docs: // Reverse lookup signal string from its map