anchor.diff:        isAlive: null,
         shouldLogError: false,
       );
  -    return !(value?.kind == 'Bool');
  +    return !(value.kind == 'Bool');
   
       // TODO(terry): Disabled below code, it will hang if flutter run --start-paused
       //              see issue https://github.com/flutter/devtools/issues/2082.
  
positive.code:     this.isRunningOnDartVM,
    });
  
    factory OfflineConnectedApp.parse(Map<String, Object> json) {
      if (json == null) return null;
      return OfflineConnectedApp(
        isFlutterAppNow: json[isFlutterAppKey],
        isProfileBuildNow: json[isProfileBuildKey],
        isDartWebAppNow: json[isDartWebAppKey],
        isRunningOnDartVM: json[isRunningOnDartVMKey],
      );
    }
  
    @override
    final bool isFlutterAppNow;
  
    @override
    final bool isProfileBuildNow;
  
    @override
    final bool isDartWebAppNow;
  
    @override
    final bool isRunningOnDartVM;
  }
  
negative.code:             'Timed out trying to fetch flutter version from '
              '`ConnectedApp.initializeValues`.',
            );
            return Future<FlutterVersion?>.value();
          },
        );
        flutterVersionServiceListenable.removeListener(listener);
  