@Override
    public Optional<Data> read(Path path) {
        Stat stat = new Stat();
        return curator.getData(userRoot.append(path), stat).map(data -> new Data(new Meta(stat.getVersion()), data));
    }
Implementation of {@link VespaCurator} which delegates to a {@link Curator}.
This prefixes all paths with {@code "/user"}, to ensure separation with system ZK usage.

@author jonmv
zkfacade/src/main/java/com/yahoo/vespa/curator/CuratorWrapper.java