System.Net.Http.Formatting.BetterJsonMediaTypeFormatter.OnWriteToStreamAsync C# (CSharp) Method

        protected override Task OnWriteToStreamAsync(Type type, object value, Stream stream, HttpContentHeaders contentHeaders, FormatterContext formatterContext, TransportContext transportContext)
        {
            if (type == null)
            {
                throw new ArgumentNullException("type");
            }

            if (stream == null)
            {
                throw new ArgumentNullException("stream");
            }

            Encoding effectiveEncoding = Encoding.UTF8;

            using (JsonTextWriter jsonTextWriter = new JsonTextWriter(new StreamWriter(stream, effectiveEncoding)) { CloseOutput = false })
            {
                if (Indent)
                {
                    jsonTextWriter.Formatting = Newtonsoft.Json.Formatting.Indented;
                }
                JsonSerializer jsonSerializer = JsonSerializer.Create(_jsonSerializerSettings);
                jsonSerializer.Serialize(jsonTextWriter, value);
                jsonTextWriter.Flush();
            }

            var s = new TaskCompletionSource<AsyncVoid>();
            s.SetResult(new AsyncVoid());
            return s.Task;
        }