code: func (rhf RollbackHookFunc) Rollback(context map[string]interface{},
  	serviceName string,
  	awsSession *session.Session,
  	noop bool,
  	logger *logrus.Logger) error {
  	rhf(context,
  		serviceName,
  		awsSession,
  		noop,
  		logger)
  	return nil
  }
docs: // Rollback calls sdhf(...) to satisfy ArchiveHookHandler