r.

 <P>
 When a SecurityManager is enabled, before loading the argument provider, and before making any changes to the
 factory, this method must confirm that the calling access control context has been granted the
 <a href="#providerRegistrationSecurityPermission"><code>providerRegistrationSecurityPermission</code></a></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>className</code> - The fully qualified name of an AuthConfigProvider implementation class (or null). Calling this
 