anchor.diff:        TypeParameterizedElementMixin enclosingElement, this._kernel)
         : _unlinkedTypeParam = null,
           nestingLevel = null,
  -        super.forSerialized(enclosingElement);
  +        super.forKernel(enclosingElement);
   
     /**
      * Initialize a newly created type parameter element to have the given [name].
  
positive.code:   UriReferencedElementImpl(String name, int offset) : super(name, offset);
  
    /**
     * Initialize using the given serialized information.
     */
    UriReferencedElementImpl.forSerialized(ElementImpl enclosingElement)
  
negative.code:   NonParameterVariableElementImpl.forKernel(
        ElementImpl enclosingElement, this._kernel)
        : _unlinkedVariable = null,
          super.forKernel(enclosingElement);
  
    /**
     * Initialize a newly created variable element to have the given [name].
  