@Override
    public Collection<String> getCandidateStatesForMultifactorAuthentication() {
        return List.of(BasicAuthenticationWebflowConfigurer.STATE_ID_BASIC_AUTHENTICATION_CHECK);
    }
This is {@link BasicAuthenticationCasMultifactorWebflowCustomizer}.

@author Misagh Moayyed
@since 6.3.0
support/cas-server-support-basic/src/main/java/org/apereo/cas/web/flow/BasicAuthenticationCasMultifactorWebflowCustomizer.java