ork-MQTT-Topic.html#t:Filter">Filter</a>] -&gt; <a href="../base-4.9.0.0/System-IO.html#t:IO">IO</a> ()</li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><span class="keyword">data</span> <a id="t:Broker" class="def">Broker</a> auth <a href="src/Network.MQTT.Broker.html#Broker" class="link">Source</a> <a href="#t:Broker" class="selflink">#</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a id="v:Broker" class="def">Br