using System;

using System.Text.Json;

using System.Text.Json.Serialization;

public class Program

{

    public static void Main()

    {

        var xx = new XD();

        Console.WriteLine(JsonSerializer.Serialize(xx.lol));

    }

}

​

public enum ClientNotificationLevel

{

    AllMessages = 1,

    OnlyMentions = 2,

    None = 3

}

​

public class XD {

public ClientNotificationLevel haha {get; set; }

[JsonConverter(typeof(RawTextConverter))]

public uint? lol;

}

​

public class RawTextConverter : JsonConverter<string>

{

    public override string Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)

    {

        using var doc = JsonDocument.ParseValue(ref reader);

        var element = doc.RootElement;

        return element.ValueKind == JsonValueKind.String

            ? element.GetString()

            : element.GetRawText();

    }

​

    public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options)

    {

        writer.WriteStringValue(value);

        // TODO: HA: Test

        //using var jsonDoc = JsonDocument.Parse(value);

        //jsonDoc.RootElement.WriteTo(writer);

    }

}