/code></dd>
<dt>Parameters:</dt>
<dd><code>context</code> - The <a href="../context/FacesContext.html" title="class in jakarta.faces.context"><code>FacesContext</code></a> for the current request</dd>
<dd><code>value</code> - The converted value to test for membership.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/NullPointerException.html" title="class or interface in java.lang" class="external-link">NullPointerException</a></code> - if <cod