anchor.diff:  
     bool get isObject => _class == system.compiler.objectClass;
   
  -  bool get isDynamic => _class == system.compiler.dynamicClass;
  +  bool get isDynamic => false;
   
     bool get isVoid => false;
   
  
positive.code:     return declaration.declaredMembers;
    }
  
    bool get isObject => system.compiler.objectClass == _type.element;
  
    bool get isDynamic => system.compiler.dynamicClass == _type.element;
  
    bool get isVoid => false;
  
    bool get isTypeVariable => false;
  
    bool get isTypedef => false;
  
    bool get isFunction => true;
  
    MethodMirror get callMethod => _convertElementMethodToMethodMirror(
  
negative.code:   bool get isObject => system.compiler.objectClass == _type.element;
  
    bool get isDynamic => system.compiler.dynamicClass == _type.element;
  
    InterfaceMirror get declaration
        => new Dart2JsInterfaceMirror(system, _type.element);
  