static void printAllCookies() {
  pcall {
    Iterable<S> it = cast getCookieHandler();
    if (it == null) { print("No cookie handler."); ret; }
    
    print("Cookies:");
    for (S name : it)
      print("  " + name + " = " + getCookie(name));
    print();
    
    print("Cookie Queue:");
      for (O cookie : (L) get(getCookieHandler(), "queue"))
        print("  " + call(cookie, "getHTTPHeader"));
    print();
  }
}