code: func (batch *UpdateBatch) GetUpdatedNamespaces() []string {
  	namespaces := make([]string, len(batch.updates))
  	i := 0
  	for ns := range batch.updates {
  		namespaces[i] = ns
  		i++
  	}
  	return namespaces
  }
docs: // GetUpdatedNamespaces returns the names of the namespaces that are updated