anchor.diff:    ///   lookup is the result of looking up method <i>m</i> in <i>S</i> with
     ///   respect to <i>L</i> Otherwise, we say that the lookup has failed.
     /// </blockquote>
  -  @deprecated
  +  @Deprecated('Use lookupMethod2 instead')
     MethodElement lookUpMethod(String name, LibraryElement library);
   
     /// Return the method with the given [name].
  
positive.code:   ///
    /// The [library] determines if a private member name is visible, and does not
    /// need to be supplied for public names.
    @deprecated
    PropertyAccessorElement lookUpInheritedSetter(String name,
        {LibraryElement library, bool thisType = true});
  
  
negative.code:   ///
    /// Clients should not depend on the content of the returned value as it will
    /// be changed if doing so would improve the UX.
    @Deprecated('Use getDisplayString instead')
    String get displayName;
  
    /// Return the element representing the declaration of this type, or `null` if
  