@Override
        public ChildData getCurrentData() {
            MemoryFileSystem.Node node = fileSystem.root().getNode(Paths.get(path.toString()), false);
            if (node == null) return null;
            return new ChildData("/" + path.toString(), null, node.getContent());
        }
The path this is caching and listening to
zkfacade/src/main/java/com/yahoo/vespa/curator/mock/MockCuratorFramework.java