@Override
public Token clone() {
final Token t = (Token) super.clone();
if (payload != null) {
t.payload = payload.clone();
}
return t;
}
@Override
public void copyTo(AttributeImpl target) {
super.copyTo(target);
((FlagsAttribute) target).setFlags(flags);
((PayloadAttribute) target).setPayload((payload == null) ? null : payload.clone());
}