// @dart = 2.12
import 'opt_out_lib.dart';
List<String?> l = [];
String? s = null;
class A<T> {
  ---- unknown chunk starts ----
late
---- unknown chunk ends ----
  int field = 42;
}
class B extends A<String?> {}
typedef F = void Function()?;
var t = s!;
---- unknown chunk starts ----
late
---- unknown chunk ends ----
int field = 42;
main() {}
noErrors() {}
void method(void f()?, {required int a}) {}