anchor.diff:    @Input()
     bool cancelDisplayed = true;
   
  +  /// If set to true, the toolbelt buttons will listen for Enter `keyup` events
  +  /// and trigger the `yes` action on them.
     @Input()
     bool enterAccepts = false;
   
  
positive.code:     }
    }
  
    @Output('expandedChange')
    Stream<bool> get isExpandedChange => _isExpandedChange.stream;
    final _isExpandedChange = new StreamController<bool>.broadcast(sync: true);
  
    @Output('expandedChangeByUser')
    Stream<bool> get isExpandedChangeByUserAction =>
        _isExpandedChangeByUserAction.stream;
  
negative.code:   String secondaryText;
  
    /// An optional icon name to replace the expand arrows with a custom icon.
    @Input()
    set expandIcon(String expandIcon) => _expandIcon = expandIcon;
  
    String _expandIcon;
  
    /// If a custom icon is used, then the icon disappears when the panel is
    /// expanded.
    ///
    /// By default, the expand icon is "expand_less."
    String get expandIcon => _expandIcon ?? _defaultExpandIcon;
  
    /// If true, the expand icon should always be visible regardless whether a
    /// custom icon is used.
  