anchor.diff:    List<Element> get elements;
   
     /**
  -   * Gets or sets a CSS attribute.
  -   */
  -  String css(String name, [String value]) {
  -    if (value != null) {
  -      _setCssAttribute(name, value);
  -    }
  -
  -    return _getCssAttribute(name);
  -  }
  -
  -  /**
      * Sets a CSS attribute.
      */
  -  void _setCssAttribute(String name, String value) {
  +  void setCssAttribute(String name, String value) {
       elements.forEach((Element element) {
  -      Map<String, String> attrs = _getCssAttributeMap(element);
  +      Map<String, String> attrs = getCssAttributeMap(element);
   
         attrs[name] = value;
  -      _setCssAttributeMap(element, attrs);
  +      setCssAttributeMap(element, attrs);
       });
     }
   
     /**
      * Gets a CSS attribute.
      */
  -  String _getCssAttribute(String name) {
  +  String getCssAttribute(String name) {
       String ret = '';
   
       if (elements.length > 0) {
  -      Map<String, String> attrs = _getCssAttributeMap(elements[0]);
  +      Map<String, String> attrs = getCssAttributeMap(elements[0]);
   
         name = name.toLowerCase();
         if (attrs.containsKey(name)) {
  
positive.code:   /**
     * Sets the list of attributes of an element.
     */
    void _setCssAttributeMap(Element element, Map<String, String> attrs) {
      List<String> arr = new List<String>();
  
      attrs.keys.forEach((String key) {
  
negative.code:   /**
     * Gets the list of attributes of an element.
     */
    Map<String, String> getCssAttributeMap(Element element) {
      Map<String, String> ret = new Map<String, String>();
      String css = element.getAttribute('style');
  
  