>String</a>&nbsp;key)</code></th>
<td class="colLast">
<div class="block">
 The default behavior of this method is to call <a href="Flash.html#keep(java.lang.String)"><code>Flash.keep(String)</code></a> on the wrapped <a href="Flash.html" title="class in jakarta.faces.context"><code>Flash</code></a> object.</div>
</td>
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<tr class="altColor" id="i12">
<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"