@Override
    protected boolean notExist() {
        return Stream.of(DefaultPathConstants.PLUGIN_PARENT, DefaultPathConstants.APP_AUTH_PARENT, DefaultPathConstants.META_DATA).noneMatch(zkClient::isExist);
    }
Instantiates a new Zookeeper data changed init.

@param zkClient        the zk client
shenyu-admin-listener/shenyu-admin-listener-zookeeper/src/main/java/org/apache/shenyu/admin/listener/zookeeper/ZookeeperDataChangedInit.java