void rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeU16(order);
out.writeU16(preference);
out.writeCountedString(flags);
out.writeCountedString(service);
out.writeCountedString(regexp);
replacement.toWire(out, null, canonical);
}
void rrToWire(DNSOutput out, Compression c, boolean canonical) {
out.writeCountedString(address);
if (subAddress != null) out.writeCountedString(subAddress);
}