register method
Implementation
Future<void> register(String tag, [BackgroundSyncOptions? options]) => js_util
.promiseToFuture(js_util.callMethod(this, 'register', [tag, options]));
Future<void> register(String tag, [BackgroundSyncOptions? options]) => js_util
.promiseToFuture(js_util.callMethod(this, 'register', [tag, options]));