dispatchCustomEvent method
Dispatches the eventName
custom event on this element.
If provided, detail
is copied into the event.
Implementation
@override
Future<void> dispatchCustomEvent(String name, {Object? detail}) async {
await syncFn(() async => _retryWhenStale(() async {
await _microtask(
() => dispatchEvent(CustomEvent(name, detail: detail)));
}));
}