anchor.diff:    String get name => unlinkedVariable.name;
   
     @override
  -  DartTypeForLink buildType(DartTypeForLink getTypeArgument(int i),
  +  DartType buildType(DartType getTypeArgument(int i),
             List<int> implicitFunctionTypeIndices) =>
  -      DynamicTypeForLink.instance;
  +      DynamicTypeImpl.instance;
   
     ReferenceableElementForLink getContainedName(String name) {
       return new NonstaticMemberElementForLink(_constNode);
  
positive.code:   ConstVariableNode get asConstVariable => _constNode;
  
    @override
    DartTypeForLink buildType(DartTypeForLink getTypeArgument(int i),
            List<int> implicitFunctionTypeIndices) =>
        DynamicTypeForLink.instance;
  
    @override
    ReferenceableElementForLink getContainedName(String name) => this;
  
negative.code:   ConstructorElementForLink _unnamedConstructor;
    bool _unnamedConstructorComputed = false;
    List<FieldElementForLink_ClassField> _fields;
    InterfaceType _supertype;
    InterfaceType _type;
    List<TypeParameterType> _typeParameterTypes;
  
    ClassElementForLink_Class(this.enclosingElement, this._unlinkedClass);
  
  