@Override
    default int getOrder() {
        return Ordered.HIGHEST_PRECEDENCE;
    }
This is {@link AuthenticationPostProcessor}. Authentication post processors
run as the very last step in CAS authentication where authentication event is internally
processed, validated, principal resolved and all attributes for principal and authentication
are collected.

@author Misagh Moayyed
@since 5.2.0
api/cas-server-core-api-authentication/src/main/java/org/apereo/cas/authentication/AuthenticationPostProcessor.java