id (no conversion error has occurred).
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>valid</code> - The new valid flag</dd>
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<h4>isRequired</h4>
<pre class="methodSignature">boolean&nbsp;isRequired()</pre>
<div class="block"><p>
 Return the "required field" state for this component.
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<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>true</code> if 