getAvailability method
Implementation
Future<PresentationAvailability> getAvailability() =>
js_util.promiseToFuture(js_util.callMethod(this, 'getAvailability', []));
Future<PresentationAvailability> getAvailability() =>
js_util.promiseToFuture(js_util.callMethod(this, 'getAvailability', []));