anchor.diff:          R.method, requestedUri, protocolVersion: R.protocolVersion,
           headers: R.headers, body: R.read(),
           context: R.context);
  -
  -    logger.info('Requested URL (repaired): ${R.requestedUri}');
     }
     return R;
   }
  
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: }
  
  shelf.Request fixRequest(shelf.Request R) {
    var https = R.headers['x-appengine-https'];
    if (https != null) {
      var scheme = R.requestedUri.scheme;
  