pkg/front_end/testcases/nnbd_mixed/covariant_from_opt_in.dart.textual_outline.expect

// @dart = 2.8
import 'covariant_from_opt_in_lib.dart';

class SubClass extends Class with Mixin {
  void covariant(SubClass cls) {}
  void invariant(SubClass cls) {}
  void contravariant(Object cls) {}
}

main() {}