pkg/front_end/testcases/dart2wasm/issue55529.dart.textual_outline_modelled.expect

class A1 {
  A1({required this.a});
  final Object? a;
}

class A2 {
  A2(this.a);
  final Object? a;
}

class B1 extends A1 {
  B1({super.a}) {}
}

class B2 extends A2 {
  B2([super.a]);
}

void main() {}