public async Task <Response <ServiceStatistics> > GetServiceStatisticsAsync(RequestOptions requestOptions = null, CancellationToken cancellationToken = default) { using var message = CreateGetServiceStatisticsRequest(requestOptions); await _pipeline.SendAsync(message, cancellationToken).ConfigureAwait(false); switch (message.Response.Status) { case 200: { ServiceStatistics value = default; using var document = await JsonDocument.ParseAsync(message.Response.ContentStream, default, cancellationToken).ConfigureAwait(false); if (document.RootElement.ValueKind == JsonValueKind.Null) { value = null; } else { value = ServiceStatistics.DeserializeServiceStatistics(document.RootElement); } return(Response.FromValue(value, message.Response)); }