private void ExecuteNormalization(NormalizationAssignment assignment) { if (assignment == null) { throw new ArgumentNullException(nameof(assignment)); } Debug.WriteLine($"Node {Id} - Running normalization on {assignment.NormalizationSubject.Name}"); weightNormalizer.NormalizeDocument(assignment.NormalizationSubject); messageSink.PostNormalizedDocument(assignment.NormalizationSubject); }