getExtensions--">getExtensions</a></span>()</code>
<div class="block">Return the extensions, in order of preference, favorite first, that this client would like to use for its
 sessions.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="../../../jakarta/websocket/Extension.html" title="interface in jakarta.websocket">Extension</a>&gt;</code></td