th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../nxt/util/Listeners.html#addListener-nxt.util.Listener-java.lang.Enum-">addListener</a></span>(<a href="../../nxt/util/Listener.html" title="interface in nxt.util">Listener</a>&lt;<a href="../../nxt/util/Listeners.html" title="type parameter in 