@Override
    public void initialize(XMPPServer server) {
        super.initialize(server);
        deliverer = server.getPacketDeliverer();
        sessionManager = server.getSessionManager();
    }
Returns the handler information to help generically handle IQ packets.
IQHandlers that aren't local server iq handlers (e.g. chatbots, transports, etc)
return {@code null}.

@return The IQHandlerInfo for this handler
xmppserver/src/main/java/org/jivesoftware/openfire/handler/IQHandler.java