Microsoft.CodeAnalysis.Razor.Remote.IRemoteCompletionService.GetCompletionAsync(Microsoft.CodeAnalysis.ExternalAccess.Razor.JsonSerializableRazorPinnedSolutionInfoWrapper, Microsoft.CodeAnalysis.ExternalAccess.Razor.JsonSerializableDocumentId, Microsoft.CodeAnalysis.Razor.Protocol.Completion.CompletionPositionInfo, Roslyn.LanguageServer.Protocol.VSInternalCompletionContext, Microsoft.CodeAnalysis.Razor.Completion.RazorCompletionOptions, System.Guid, System.Threading.CancellationToken)