pkg/front_end/testcases/nnbd/issue_39286_2.dart.textual_outline_modelled.expect

class C {
  C h() => this;
  D? f() => new D();
  int y = 42;
}

class D {
  D g() => this;
  String operator [](String s) {}
}

main() {}

void test(C x) {}