pkg/vm_service/test/issue_59653_lib.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.

import 'dart:developer';
import 'common/test_helper.dart';

abstract interface class SharedTypeStructure {}

extension type SharedTypeSchemaView<TypeStructure extends SharedTypeStructure>(
    TypeStructure _typeStructure) implements Object {}

class C extends SharedTypeStructure {
  @override
  String toString() => 'C!';
}

class ClassWithTypeAnalyzer<TypeStructure extends SharedTypeStructure> {
  SharedTypeSchemaView<TypeStructure> dispatchExpression(
    SharedTypeSchemaView<TypeStructure> schema,
  ) {
    return schema;
  }

  void analyzeExpression(SharedTypeSchemaView<TypeStructure> schema) {
    debugger(); // LINE_A
  }
}

void code() {
  final classWithTypeAnalyzer = ClassWithTypeAnalyzer<C>();
  classWithTypeAnalyzer.analyzeExpression(SharedTypeSchemaView(C()));
}

Future<void> main([List<String> args = const <String>[]]) {
  return startServiceTest(testeeConcurrent: code);
}