 the flash for this session.</div>
</td>
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<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/faces/context/Flash.html#keep-java.lang.String-">keep</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</code>
<div class="block"><p class="changed_added_2_0">
 Causes a value stored with 