code: func GetMaxBatchUpdateSize() int {
  	maxBatchUpdateSize := viper.GetInt(confMaxBatchSize)
  	// if maxBatchUpdateSize was unset, default to 500
  	if !viper.IsSet(confMaxBatchSize) {
  		maxBatchUpdateSize = 500
  	}
  	return maxBatchUpdateSize
  }
docs: //GetMaxBatchUpdateSize exposes the maxBatchUpdateSize variable