 delegate only certain aspects of
 the process to the store (e.g. use the store only for retrieving the groups an authenticated user is in).

 <p>
 By default only one <code>HttpAuthenticationMechanism</code> can be active. This is enforced by the default implementation
 of the <a href="HttpAuthenticationMechanismHandler.html" title="interface in jakarta.security.enterprise.authentication.mechanism.http"><code>HttpAuthenticationMechanismHandler</code></a>. If an application wants to use multiple <code>HttpA