Microsoft.CodeAnalysis.Classification.ISyntaxClassificationService.AddSemanticClassificationsAsync(Microsoft.CodeAnalysis.Document, System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.Text.TextSpan>, Microsoft.CodeAnalysis.Classification.ClassificationOptions, System.Func<Microsoft.CodeAnalysis.SyntaxNode, System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.Classification.Classifiers.ISyntaxClassifier>>, System.Func<Microsoft.CodeAnalysis.SyntaxToken, System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.Classification.Classifiers.ISyntaxClassifier>>, Microsoft.CodeAnalysis.Collections.SegmentedList<Microsoft.CodeAnalysis.Classification.ClassifiedSpan>, System.Threading.CancellationToken)