pkg/front_end/testcases/patterns/issue51800.dart

// Copyright (c) 2023, 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 ExpansionTile {
  const ExpansionTile({this.expandedCrossAxisAlignment})
    : assert(expandedCrossAxisAlignment != CrossAxisAlignment.baseline);

  final CrossAxisAlignment? expandedCrossAxisAlignment;
}

enum CrossAxisAlignment { start, end, center, stretch, baseline }

void main() {
  print(
    const ExpansionTile(expandedCrossAxisAlignment: CrossAxisAlignment.start),
  );
}