anchor.diff:      return ret;
     }
   
  -  Map<String, String> getCssAttrMap(Element element) {
  +  Map<String, String> _getCssAttrMap(Element element) {
       Map<String, String> ret = new Map<String, String>();
       String css = element.getAttribute('style');
   
  
positive.code:     return ret;
    }
  
    void setCssAttrMap(Element element, Map<String, String> attrs) {
      List<String> arr = new List<String>();
  
      attrs.keys.forEach((String key) {
  
negative.code:     String ret = '';
  
      if (elements.length > 0) {
        Map<String, String> attrs = _getCssAttrMap(elements[0]);
  
        name = name.toLowerCase();
        if (attrs.containsKey(name)) {
  