pkg/front_end/testcases/extensions/default_values.dart.textual_outline.expect

class Class {}

extension Extension on Class {
  method0([a]) => a;
  method1([a = 42]) => a;
  method2({b = 87}) => b;
  method3({c = staticMethod}) => c();
  static staticMethod() => 123;
}

main() {}
expect(expected, actual) {}