@Override
    public void addDelegate(final CasWebflowEventResolver resolver, final int index) {
        casDelegatingWebflowEventResolver.addDelegate(resolver, index);
    }
This is {@link RankedMultifactorAuthenticationProviderWebflowEventResolver}.

@author Misagh Moayyed
@since 5.0.0
core/cas-server-core-webflow-mfa-api/src/main/java/org/apereo/cas/web/flow/resolver/impl/RankedMultifactorAuthenticationProviderWebflowEventResolver.java