ss="paramLabel">Parameters:</span></dt>
<dd><code>cls</code> - the class of the object to be returned. This is
 normally either the underlying EntityManagerFactory
 implementation class or an interface that it implements.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an instance of the specified class</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="PersistenceException.html" title="class in jakarta.persistence">PersistenceException</a></code> - if the provider does no