anchor.diff:    bool get hasFlagsAttribute =>
         typeDef.existsAttribute('System.FlagsAttribute');
   
  -  String get _fields {
  +  String get fields {
       final buffer = StringBuffer();
       // The first field is always the special field _value
       final fields = typeDef.fields.skip(1).toList()
  
positive.code:               value, 'value', 'No enum value with that value'));
      ''';
  
    String get _enumSetHelper => hasFlagsAttribute
        ? '''
      static Set<$enumName> createSetFrom(int value) => Set.unmodifiable(
        $enumName.values.where((e) => value & e.value == e.value));
  
negative.code:   String toString() => '''
          $classPreamble
          enum $_projectedName {
            $fields
  
            $_enumVariable
  
  