anchor.diff:      for (final exportElement in exports) {
         (exportElement as LibraryExportElementImpl).enclosingElement = this;
       }
  -    _exports2 = exports;
  +    _libraryExports = exports;
     }
   
     /// Set the specifications of all of the imports defined in this library to
  
positive.code:   }
  
    List<LibraryImportElement> get imports_unresolved {
      return _imports2;
    }
  
    @override
  
negative.code:   @override
    List<LibraryExportElement> get libraryExports {
      _readLinkedData();
      return _libraryExports;
    }
  
    @override
    List<LibraryImportElement> get libraryImports {
      _readLinkedData();
      return _libraryImports;
    }
  
    @override
  