entIdentifier">ClientIdentifier</a> -&gt; <a href="Network-MQTT-Broker.html#t:BrokerState">BrokerState</a> auth -&gt; <a href="../base-4.9.0.0/System-IO.html#t:IO">IO</a> (<a href="Network-MQTT-Broker.html#t:BrokerState">BrokerState</a> auth, (<a href="Network-MQTT-Message.html#t:SessionPresent">SessionPresent</a>, <a href="Network-MQTT-Session.html#t:Session">Session</a> auth))</li><li class="src short"><a href="#v:closeSession">closeSession</a> :: <a href="Network-MQTT-Authentication.html#t:Authenticator"