PerformanceServerTiming constructor
      
      PerformanceServerTiming()
     
    
    
Implementation
factory PerformanceServerTiming() => _i4.callConstructor(
      _declaredPerformanceServerTiming,
      [],
    );factory PerformanceServerTiming() => _i4.callConstructor(
      _declaredPerformanceServerTiming,
      [],
    );