anchor.diff:      };
     }
   
  -  return runAppEngineRaw((HttpRequest request) {
  +  return appengine_internal.runAppEngine((HttpRequest request) {
       runZoned(() {
         handler(request);
       }, zoneValues: <Symbol, Object>{
  -      _APPENGINE_CONTEXT: contextFromRequest(request),
  +      _APPENGINE_CONTEXT: appengine_internal.contextFromRequest(request),
       }, onError: (error, stack) {
         errorHandler('Uncaught error in request handler zone: $error', stack);
   
  
positive.code: /**
   * Returns the [ClientContext] of the current request.
   *
   * This getter can only be called inside a request handler and only if
   * [runAppEngine] was used.
   */
  ClientContext get context {
    var context = Zone.current[_APPENGINE_CONTEXT];
  
negative.code:       try {
          request.response.statusCode = HttpStatus.INTERNAL_SERVER_ERROR;
        } on StateError catch (_) {}
        request.response.close().catchError((closeError, closeErrorStack) {
          errorHandler('Forcefully closing response, due to error in request '
                       'handler zone, resulted in an error: $closeError',
                       closeErrorStack);
        });
      });
    });
  