pkg/front_end/testcases/enhanced_enums/missed_checks.dart.textual_outline_modelled.expect

abstract class A1 extends SuperclassWithEquals implements Enum {}

abstract class A2 extends SuperclassWithHashCode implements Enum {}

abstract class A3 extends SuperclassWithValues implements Enum {}

abstract class SuperclassWithEquals {
  bool operator ==(Object other) => true;
}

abstract class SuperclassWithHashCode {
  int get hashCode => 0;
}

abstract class SuperclassWithValues {
  Never get values => throw 0;
}

enum E1 { element.new() }

enum E2<values> { element }

enum E3<element> { element }

enum values { element }

main() {}