attribute(TERM, entity.getFlags()),
attribute(LABEL, entity.getFlags())) : null;
}
protected Element inReplyTo() {
InReplyTo inReplyTo = entity.getInReplyTo();
return inReplyTo != null ? element(IN_REPLY_TO,
attribute(SCHEME, Namespace.THR.getUrl()),
attribute(REF, inReplyTo.getRef()),
attribute(SOURCE, inReplyTo.getSource()),
attribute(HREF, inReplyTo.getHref())) : null;
}