anchor.diff:  }
   
   shelf.Request fixRequest(shelf.Request R) {
  -  logger.info('URL: ${R.url}');
  -  logger.info('Requested URL: ${R.requestedUri}');
  -
     var https = R.headers['x-appengine-https'];
     if (https != null) {
       var scheme = R.requestedUri.scheme;
  
positive.code:           db.registerDbService(dbServiceCopy);
            registerStorageService(storageServiceCopy);
            return shelf_io.handleRequest(request, (shelf.Request request) {
              return appHandler(fixRequest(request), apiHandler);
            });
          }).catchError((error, stack) {
            logger.severe('Request handler failed', error, stack);
  
negative.code:         R.method, requestedUri, protocolVersion: R.protocolVersion,
          headers: R.headers, body: R.read(),
          context: R.context);
    }
    return R;
  }
  