anchor.diff:          offset = 0;
         }
         IndexSyntheticElementKind kind = getIndexElementKind(element);
  -      return new _ElementInfo(element, unitId, offset, kind);
  +      return new _ElementInfo(unitId, offset, kind);
       });
     }
   
  
positive.code:    */
    int id;
  
    _ElementInfo(this.element, this.unitId, this.offset, this.kind);
  }
  
  /**
  
negative.code:       return a.nameId - b.nameId;
      });
      elementRelations.sort((a, b) {
        return a.elementInfo.id - b.elementInfo.id;
      });
      nameRelations.sort((a, b) {
  