pkg/front_end/testcases/dart2js/primary_constructors/parameter_annotation.dart

// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

class const Self();

class Base {
  Base(int x);
}

class MyComponent(@Self() final int? x) extends Base {
  this : super(42);
}