anchor.diff:    final String projectId;
     final String versionId;
     final List<api.MonitoredResource_LabelsEntry> resourceLabels;
  -  final String logName;
  +  final String requestLogName;
  +  final String backgroundLogName;
   
     final List<api.LogEntry> _entries = <api.LogEntry>[];
     Timer _timer;
  
positive.code:       ..resource = gaeResource
        ..timestamp = nowTimestamp
        ..severity = _currentSeverity
        ..logName = _sharedLoggingService.logName;
  
      _resetState();
  
  
negative.code:   int _estimatedSize;
    bool _isFirst;
  
    GrpcRequestLoggingImpl(this._sharedLoggingService, this._httpMethod,
        this._httpResource, this._userAgent, this._host, this._ip)
        : _startTimestamp = new DateTime.now().toUtc().millisecondsSinceEpoch {
      _resetState();
    }
  
    void log(appengine.LogLevel level, String message, {DateTime timestamp}) {
      api.LogSeverity severity = _severityFromLogLevel(level);
  
      // The severity of the combined log entry will be the highest severity
      // of the individual log lines.
  