@Override
  public String toString() {
    return this.identifier + ", quorum=" + quorum + ", baseZNode=" + znodePaths.baseZNode;
  }
Checks whether the ACLs returned from the base znode (/hbase) is set for secure setup.
@param acls acls from zookeeper
@return whether ACLs are set for the base znode
@throws IOException if getting the current user fails
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKWatcher.java