//impl.init();
ZooKeeperDataStore dataStore = new ZooKeeperDataStore();
dataStore.setZk(zooKeeper);
ZookeeperPlaceholderResolver zookeeperPlaceholderResolver = new ZookeeperPlaceholderResolver();
zookeeperPlaceholderResolver.setZooKeeper(zooKeeper);
List<PlaceholderResolver> placeholderResolvers = new ArrayList<PlaceholderResolver>();
placeholderResolvers.add(new ChecksumPlaceholderResolver());
placeholderResolvers.add(zookeeperPlaceholderResolver);