pkg/front_end/testcases/extensions/on_type_inference2.dart.textual_outline.expect

extension BestCom<T extends num> on Iterable<T>? {
  T? best() => null;
}

extension BestList<T> on List<T> {
  T? best() => null;
}

extension BestSpec on List<num> {
  num? best() => null;
}

main() {}