code: func (mc *MessageCache) GetUncached(c context.Context, cset config.Set, path string,
  	msg proto.Message) error {
  
  	return cfgclient.Get(c, cfgclient.AsService, cset, path, textproto.Message(msg), nil)
  }
docs: // GetUncached returns an unmarshalled configuration service text protobuf
  // message. This bypasses the cache, and, on success, does not cache the
  // resulting value.