Microsoft.CodeAnalysis.Classification.Classifiers.ISyntaxClassifier.AddClassifications(Microsoft.CodeAnalysis.SyntaxNode, Microsoft.CodeAnalysis.Text.TextSpan, Microsoft.CodeAnalysis.SemanticModel, Microsoft.CodeAnalysis.Classification.ClassificationOptions, Microsoft.CodeAnalysis.Collections.SegmentedList<Microsoft.CodeAnalysis.Classification.ClassifiedSpan>, System.Threading.CancellationToken)