public void writeBytes(OutputStream out) throws DataFormatException, IOException {
if ((_destination == null)
|| (_options == null)
|| (_signature == null)
|| (_creationDate == null))
throw new DataFormatException("Not enough data to create the session config");
_destination.writeBytes(out);
DataHelper.writeProperties(out, _options, true); // UTF-8
DataHelper.writeDate(out, _creationDate);
_signature.writeBytes(out);
}
