anchor.diff:      VmServiceWrapper service, {
       @required Future<void> onClosed,
     }) async {
  -    const kServiceStream = '_Service';
  +    const kServiceStreamOld = '_Service';
  +    const kServiceStreamNew = 'Service';
   
       final vm = await service.getVM();
       this.vm = vm;
  
positive.code:       EventStreams.kGC,
        EventStreams.kTimeline,
        EventStreams.kExtension,
        kServiceStream,
      ];
  
      // The following streams are not yet supported by Flutter Web.
  
negative.code:           _registeredMethodsForService[e.service].add(e.method);
          }
        }
      }
  
      service.onEvent(kServiceStreamOld).listen(handleServiceEvent);
      service.onEvent(kServiceStreamNew).listen(handleServiceEvent);
  
      _isolateManager._service = service;
      _serviceExtensionManager._service = service;
  