anchor.diff:          : [];
       builder.addProperty(getterName,
           js.fun(args, js.return_(js('$receiver.$fieldName'))));
  +    generateReflectionDataForFieldGetterOrSetter(
  +        member, getterName, builder, isGetter: true);
     }
   
     void generateSetter(Element member, String fieldName, String accessorName,
  
positive.code:     }
    }
  
    void generateGetter(Element member, String fieldName, String accessorName,
                        ClassBuilder builder) {
      String getterName = namer.getterNameFromAccessorName(accessorName);
  
negative.code:     builder.addProperty(setterName,
          js.fun(args,
              js('$receiver.$fieldName = #', js(helperName)(arguments))));
      generateReflectionDataForFieldGetterOrSetter(
          member, setterName, builder, isGetter: false);
    }
  
    void emitClassConstructor(ClassElement classElement, ClassBuilder builder) {
  