anchor.diff:        Map props = invocation.positionalArguments[0];
         List children = invocation.positionalArguments.sublist(1);
   
  -      _convertProps(props);
  +      convertProps(props);
   
         List reactParams = [name, newJsMap(props)];
         reactParams.addAll(children);
  
positive.code:    * Returns a JsObject version of the specified props, preprocessed for consumption by React JS
     * and prepared for consumption by the react-dart wrapper internals.
     */
    static JsObject _generateExtendedJsProps(Map props, dynamic children) {
      if (children == null) {
        children = [];
      } else if (children is! Iterable) {
  
negative.code: 
    @override
    JsObject call(Map props, [dynamic children]) {
      convertProps(props);
  
      List reactParams = [name, newJsMap(props), children];
  
  