config property
Implementation
T get config {
if (_config != null) return _config!;
if (_cache.containsKey(T)) {
return _cache[T]! as T;
}
final _auth = auth ?? FirebaseAuth.instance;
final configs = FlutterFireUIAuth.configsFor(_auth.app);
final config = configs.firstWhere((element) => element is T) as T;
_cache[T] = config;
return config;
}