anchor.diff:    RenderBaseline createRenderObject() => new RenderBaseline(baseline: baseline, baselineType: baselineType);
   
     void updateRenderObject(RenderBaseline renderObject, Baseline oldWidget) {
  -    renderObject.baseline = baseline;
  -    renderObject.baselineType = baselineType;
  +    renderObject
  +      ..baseline = baseline
  +      ..baselineType = baselineType;
     }
   }
   
  
positive.code:   );
  
    void updateRenderObject(RenderSemanticAnnotations renderObject, Semantics oldWidget) {
      renderObject.container = container;
      renderObject.checked = checked;
      renderObject.label = label;
    }
  
    void debugFillDescription(List<String> description) {
  
negative.code:   );
  
    void updateRenderObject(RenderImage renderObject, RawImage oldWidget) {
      renderObject
        ..image = image
        ..width = width
        ..height = height
        ..scale = scale
        ..color = color
        ..alignment = alignment
        ..fit = fit
        ..repeat = repeat
        ..centerSlice = centerSlice;
    }
  
    void debugFillDescription(List<String> description) {
  