code: func (pdb *BytesBrokerWatcherRedis) GetValue(key string) (data []byte, found bool, revision int64, err error) {
  	if pdb.delegate.closed {
  		return nil, false, 0, fmt.Errorf("GetValue(%s) called on a closed connection", key)
  	}
  	pdb.Debugf("GetValue(%s)", key)
  
  	return pdb.delegate.GetValue(pdb.addPrefix(key))
  }
docs: // GetValue calls GetValue function of BytesConnectionRedis.
  // Prefix will be prepended to the key argument when searching.