public int SaveTraceAndMeasurements(MeasuredTrace measuredTrace)
        {
            var changeCount = 0;

            if (
                Traces.Any(
                    t =>
                    string.Equals(t.PackageFileName, measuredTrace.PackageFileName,
                                  StringComparison.OrdinalIgnoreCase)))
            {
                Traces.Update(measuredTrace);
            }
            else
            {
                Traces.Add(measuredTrace);
            }
            changeCount += SaveChanges();
            foreach (var m in measuredTrace.GetMeasurementsAll())
            {
                AddMeasurementByTypeInfer(m);
            }
            changeCount += SaveChanges();
            return(changeCount);
        }