code: func (b *Backend) PurgeGroupMeta(groupUUID string) error {
  	conn, channel, err := b.Open(b.GetConfig().Broker, b.GetConfig().TLSConfig)
  	if err != nil {
  		return err
  	}
  	defer b.Close(channel, conn)
  
  	b.DeleteQueue(channel, amqmChordTriggeredQueue(groupUUID))
  
  	return b.DeleteQueue(channel, groupUUID)
  }
docs: // PurgeGroupMeta deletes stored group meta data