"externalLink">String</a>&nbsp;ns,
<a href="../../../../../jakarta/faces/view/facelets/Tag.html" title="class in jakarta.faces.view.facelets">Tag</a>&nbsp;t)</code></th>
<td class="colLast">
<div class="block">true if the namespace is used in this library</div>
</td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsTagHandler(java.lang.String,java.lang.String)">containsTagHandler</a></spa