method register

Source

Future register(String url, [Map options]) {
  if (options != null) {
    return wrap_jso(_blink.BlinkServiceWorkerContainer.instance.register_Callback_2_(unwrap_jso(this), url, convertDartToNative_Dictionary(options)));
  }
  return wrap_jso(_blink.BlinkServiceWorkerContainer.instance.register_Callback_1_(unwrap_jso(this), url));
}