cation.mechanism.http"><code>CustomFormAuthenticationMechanismDefinition</code></a>,
 expressions using immediate syntax are evaluated only once when the <a href="../../../../../../javax/security/enterprise/authentication/mechanism/http/HttpAuthenticationMechanism.html" title="interface in javax.security.enterprise.authentication.mechanism.http"><code>HttpAuthenticationMechanism</code></a>
 bean is created. Since these beans are application scoped, this means only once per application.
 Expressions using de