@Override
    public void registerStrategy(final AuthenticationServiceSelectionStrategy strategy) {
        if (BeanSupplier.isNotProxy(strategy)) {
            strategies.add(strategy);
            AnnotationAwareOrderComparator.sort(this.strategies);
        }
    }
This is {@link DefaultAuthenticationServiceSelectionPlan}.

@author Misagh Moayyed
@since 5.1.0
core/cas-server-core-authentication-api/src/main/java/org/apereo/cas/authentication/DefaultAuthenticationServiceSelectionPlan.java