Microsoft.CodeAnalysis.Razor.Protocol.DocumentSymbols.IDocumentSymbolService.GetDocumentSymbols(Microsoft.AspNetCore.Razor.Language.RazorFileKind, System.Uri, Microsoft.AspNetCore.Razor.Language.RazorCSharpDocument, Roslyn.LanguageServer.Protocol.SumType<Roslyn.LanguageServer.Protocol.DocumentSymbol[], Roslyn.LanguageServer.Protocol.SymbolInformation[]>)