public override async Task WriteResponseBodyAsync(OutputFormatterWriteContext context, Encoding selectedEncoding) { if (context == null) { throw new ArgumentNullException(nameof(context)); } if (selectedEncoding == null) { throw new ArgumentException(nameof(selectedEncoding)); } var o = context.Object as StandardResponse; var standard = o ?? StandardResponse.Create(context.Object); var response = context.HttpContext.Response; using (var writer = context.WriterFactory(response.Body, selectedEncoding)) { WriteObject(writer, standard); await writer.FlushAsync(); } }