 class="block">
 Return a String value that uniquely identifies this <code>ClientWindow</code> within the scope of the current
 session.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html?is-external=true" title="class or interface in java.util" class="externalLink">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="clas