public static void PackTo(this object?value, Type type, Stream?stream,
                           MessagePackSerializerOptions?options = null, CancellationToken cancellationToken = default) =>
 MessagePackHelper.Pack(type, value, stream, options, cancellationToken);
 public static void PackTo <TValue>(this TValue?value, Stream?stream, MessagePackSerializerOptions?options = null,
                                    CancellationToken cancellationToken = default) =>
 MessagePackHelper.Pack(value, stream, options, cancellationToken);