="block"><p>
 Define the behavior for adding a <code>null</code> values to the value list.
 </p>
 Default implementation is a no-op, i.e. the <code>null</code> values are ignored. Overriding implementations may modify
 this behavior by providing their own definitions of this method.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>values</code> - value list where the <code>null</code> value addition is being requested.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="addFirstNull(java.uti