@Bean
        @RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
        @ConditionalOnMissingBean(name = "defaultMultifactorAuthenticationPrincipalResolver")
        public MultifactorAuthenticationPrincipalResolver defaultMultifactorAuthenticationPrincipalResolver() {
            return MultifactorAuthenticationPrincipalResolver.identical();
        }
This is {@link CasCoreMultifactorAuthenticationWebflowAutoConfiguration}.

@author Travis Schmidt
@since 6.0.0
core/cas-server-core-webflow-mfa/src/main/java/org/apereo/cas/config/CasCoreMultifactorAuthenticationWebflowAutoConfiguration.java