namespace System.Text.Json.Serialization.Converters { internal sealed class JsonConverterUInt64 : JsonConverter<ulong> { public override ulong Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) { return reader.GetUInt64(); } public override void Write(Utf8JsonWriter writer, ulong value, JsonSerializerOptions options) { writer.WriteNumberValue(value); } } }