anchor.diff:  
     void _addNewItem() async {
       final String key = new Uuid().v4();
  -    final String value = generateWordPairs().take(5).join(' ');
  +    final String value = generateWordPairs().take(2).join(' ');
   
       await _storage.write(key: key, value: value);
       _readAll();
  
positive.code:         body: new ListView.builder(
            itemCount: _items.length,
            itemBuilder: (BuildContext context, int index) => new ListTile(
                  title: new Text(_items[index].value),
                  subtitle: new Text(_items[index].key),
                ),
          ),
        );
  }
  
  class _SecItem {
  
negative.code: }
  
  enum _Actions { deleteAll }
  enum _ItemActions { delete, edit }
  
  class _ItemsWidgetState extends State<ItemsWidget> {
    final _storage = new FlutterSecureStorage();
  