subscribe method
Implementation
Future<PushSubscription> subscribe([PushSubscriptionOptionsInit? options]) =>
js_util.promiseToFuture(js_util.callMethod(this, 'subscribe', [options]));
Future<PushSubscription> subscribe([PushSubscriptionOptionsInit? options]) =>
js_util.promiseToFuture(js_util.callMethod(this, 'subscribe', [options]));