 A single element would be
   * <pre>
   *   ["zk1","2181","/registry"]
   * </pre>
   *  An endpoint with multiple elements would list them as
   * <pre>
   *   [
   *    ["zk1","2181","/registry"]
   *    ["zk2","1600","/registry"]
   *   ]
   * </pre>
 A single element would be
   * <pre>
   *   ["zk1","2181","/registry"]
   * </pre>
   *  An endpoint with multiple elements would list them as
   * <pre>
   *   [
   *    ["zk1","2181","/registry"]
   *    ["zk2","1600","/registry"]
   *   ]
   * </pre> | AddressTypes.java