>Authenticator</a> auth =&gt; <a href="Network-MQTT-Broker.html#t:Broker">Broker</a> auth -&gt; <a href="Network-MQTT-Session.html#t:Session">Session</a> auth -&gt; <a href="../base-4.9.0.0/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><a href="#v:publishDownstream">publishDownstream</a> :: <a href="Network-MQTT-Broker.html#t:Broker">Broker</a> auth -&gt; <a href="Network-MQTT-Message.html#t:Message">Message</a> -&gt; <a href="../base-4.9.0.0/System-IO.html#t:IO">IO</a> ()</li><li class="src shor