alidations get checked by
 this validator. If the validationGroupsArray attribute is omitted or
 is empty, the validation groups will be inherited from the branch
 defaults or, if there are no branch defaults, the <code>Default</code> group will be used.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>validationGroups</code> - comma-separated list of validation groups
 (string with only spaces and commas treated as null)</dd>
</dl>
</li>
</ul>
<a name="getValidationGroups--">
<