anchor.diff:      // Attempt to connect to the VM service 5 times.
       int attempts = 0;
       Exception firstException;
  -    VmService vmService;
       while (attempts < 5) {
         try {
  -        vmService = await _vmServiceConnectUri(
  +        final VmService vmService = await _vmServiceConnectUri(
             assumedWsUri.toString(),
           );
           final VM vm = await vmService.getVM();
  
positive.code:         // No action, we might have failed to connect.
          firstException ??= err;
          _logger.printTrace(err.toString());
        } finally {
          // This vmService instance must be disposed of, otherwise DDS will
          // fail to start.
          vmService?.dispose();
        }
  
        // No exponential backoff is used here to keep the amount of time the
  
negative.code:             isolateRefs.id,
            );
            final LibraryRef library = isolateResponse.rootLib;
            if (library != null && library.uri.startsWith('package:$packageName')) {
              UsageEvent(
                _kEventName,
                'success',
                flutterUsage: _flutterUsage,
              ).send();
  
              // We absolutely must dispose this vmService instance, otherwise
              // DDS will fail to start.
              vmService.dispose();
              return Uri.parse('http://localhost:$hostPort');
            }
  