code: @Deprecated
    public Writable call(Writable param, InetSocketAddress addr,
        UserGroupInformation ticket)
        throws IOException {
      return call(param, addr, null, ticket, 0, false);
    }
docs: Make a call, passing <code>param</code>, to the IPC server running at
  <code>address</code> with the <code>ticket</code> credentials, returning
  the value.
  Throws exceptions if there are network problems or if the remote code
  threw an exception.
  @deprecated Use {@link #call(Writable, InetSocketAddress, Class, UserGroupInformation)} instead