anchor.diff:  // This class defines the interface that the server provides.
   @ApiClass(name: '_dartpadsupportservices', version: 'v1')
   class FileRelayServer {
  -  
     FileRelayServer() {
       hierarchicalLoggingEnabled = true;
       _logger.level = Level.ALL;
     }
  -  
  -  @ApiMethod(method:'POST', path:'export') 
  -  Future<KeyContainer> export(PadSaveObject data){
  +
  +  @ApiMethod(method: 'POST', path: 'export')
  +  Future<KeyContainer> export(PadSaveObject data) {
       GaeExportRecord record = new GaeExportRecord.FromDSO(data);
       record.UUID = _computeSHA1(record);
  -    db.dbService.commit(inserts: [record])
  -      .catchError((e) {
  +    db.dbService.commit(inserts: [record]).catchError((e) {
         _logger.severe("Error while recording export ${e}");
  -      throw(e);
  +      throw (e);
       });
       _logger.info("Recorded Export with ID ${record.UUID}");
       return new Future.value(new KeyContainer.FromKey(record.UUID));
     }
  -  
  -  @ApiMethod(method:'DELETE', path:'pullExportData')
  +
  +  @ApiMethod(method: 'DELETE', path: 'pullExportData')
     Future<PadSaveObject> pullExportContent(String uuid) async {
       var database = ae.context.services.db;
  -    var query = database.query(GaeExportRecord)
  -        ..filter('UUID =', uuid);
  +    var query = database.query(GaeExportRecord)..filter('UUID =', uuid);
       List result = await query.run().toList();
       if (result.isEmpty) {
         _logger.severe("Export with UUID ${uuid} could not be found.");
  
positive.code: 
    @db.StringProperty()
    String UUID;
    
    GaeExportRecord() {
      this.epochTime = new DateTime.now().millisecondsSinceEpoch;
    }
  
    GaeExportRecord.FromData(String dart, String html, String css, {String UUID}) {
      this.dart = _gzipEncode(dart);
      this.html = _gzipEncode(html);
      this.css = _gzipEncode(css);;
      this.UUID = UUID;
      this.epochTime = new DateTime.now().millisecondsSinceEpoch;
    }
    
    GaeExportRecord.FromDSO(PadSaveObject pso) {
      this.dart = _gzipEncode(pso.dart);
      this.html = _gzipEncode(pso.html);
  
negative.code:     GaeExportRecord record = result.first;
      database.commit(deletes: [record.key]).catchError((e) {
        _logger.severe("Error while deleting export ${e}");
        throw (e);
      });
      _logger.info("Deleted Export with ID ${record.UUID}");
      return new Future.value(new PadSaveObject.FromRecordSource(record));
  