Yes. Here: https://godoc.org/github.com/coreos/etcd/clientv3/concurrenc...
It would be great if you can provide opinions, comments or help on these high level APIs. We also might move these to an internal proxy layer, so that other clients in other language can use it more easily.
(some more here: https://github.com/coreos/etcd/tree/master/contrib/recipes)