 event emitter class." href="../fbp/EventEmitter.html">EventEmitter</a></code></p></h3><div class="doc"><p>Remove the given callback for <code>event</code> or all
registered callbacks.</p><p class="javadoc">Parameters:</p><table class="table table-bordered params"><tr><th width="25%"><code>{String}</code></th><td><p>event</p></td></tr><tr><th width="25%"><code>{Function}</code></th><td><p>fn</p></td></tr></table><p class="javadoc">Returns:</p><div class="indent inline-content"><p>{Emitter}</p></div></div></