anchor.diff:    bool _focusPending = false;
     MaterialInputComponent _input;
     _InputChangeCallback _callback;
  -  bool _sorted = true;
  -  List _suggestions = [];
  -  bool _refreshOptions = false;
   
     /// The current text being displayed.
     String _inputText = '';
  
positive.code:   @override
    @Input()
    set factoryRenderer(FactoryRenderer value) => super.factoryRenderer = value;
  
    @Deprecated('Caller should call .sort() on the options instead.')
    @Input()
    set sorted(bool value) {
      _sorted = value;
      _refreshOptions = true;
    }
  
    bool get sorted => _sorted;
  
    /// Function for use by NgFor for optionGroup to avoid recreating the
    /// DOM for the optionGroup.
  
negative.code:       if (stringValue != null) return stringValue as String;
      }
      return null;
    }
  
    @override
  