public static Task PackToAsync(this object?value, Stream?stream, Options?options = null,
                                Encoding?encoding = null) =>
 JilHelper.PackAsync(value, stream, options, encoding);
 public static Task PackByAsync <TValue>(this Stream?stream, TValue?value, Options?options = null,
                                         Encoding?encoding = null) =>
 JilHelper.PackAsync(value, stream, options, encoding);