public OutboundJoin getOutboundJoin() {
        return outboundJoin;
    }
Sends a stanza back to a remote, joining FMUC node that represents acceptance of a FMUC join request.

@param joinRequest The request to join that is being accepted.
xmppserver/src/main/java/org/jivesoftware/openfire/muc/spi/FMUCHandler.java