anchor.diff:      implements
           ControlValueAccessor,
           Focusable,
  -        AfterChanges,
           OnInit,
           OnDestroy,
           HasRenderer,
  
positive.code: 
    // The fields below are deprecated.
  
    @Deprecated('Use [options] instead')
    @Input()
    set suggestions(List value) {
      _suggestions = value;
      _refreshOptions = true;
    }
  
    List get suggestion => _suggestions;
  
    // Override renderer here to just add the @Input annotation and keep the
    // angular dependency out of models.
    /// A simple function to render the an item to string.
  
negative.code:       if (stringValue != null) return stringValue as String;
      }
      return null;
    }
  
    @override
  