anchor.diff:   */
   class _ElementInfo {
     /**
  -   * TODO(scheglov) remove after fixing build flakiness on bots
  -   */
  -  final Element element;
  -
  -  /**
      * The identifier of the [CompilationUnitElement] containing this element.
      */
     final int unitId;
  
positive.code:    */
    int id;
  
    _ElementInfo(this.element, this.unitId, this.offset, this.kind);
  }
  
  /**
  
negative.code:         offset = 0;
        }
        IndexSyntheticElementKind kind = getIndexElementKind(element);
        return new _ElementInfo(unitId, offset, kind);
      });
    }
  
  