late ;
final int? lateTopLevelField;
class Class<T> {
  static late ;
  final int? lateStaticField1;
  static late ;
  final int? lateStaticField2;
  static staticMethod() {}
  late ;
  final int? lateInstanceField;
  late ;
  final T? lateGenericInstanceField;
  instanceMethod(T value) {}
}
extension Extension<T> (){}
on Class<T> (){}
main() {}
expect(expected, actual) {}
throws(f(), String message) {}