Microsoft.CodeAnalysis.LanguageService.ISymbolDisplayService.ToDescriptionStringAsync(Microsoft.CodeAnalysis.SemanticModel, System.Int32, System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.ISymbol>, Microsoft.CodeAnalysis.LanguageService.SymbolDescriptionOptions, Microsoft.CodeAnalysis.LanguageService.SymbolDescriptionGroups, System.Threading.CancellationToken)