@Bean
        @ConditionalOnMissingBean(name = "radiusFlowRegistry")
        @RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
        public FlowDefinitionRegistry radiusFlowRegistry(
            final ConfigurableApplicationContext applicationContext,
            @Qualifier(CasWebflowConstants.BEAN_NAME_FLOW_BUILDER_SERVICES)
            final FlowBuilderServices flowBuilderServices,
            @Qualifier(CasWebflowConstants.BEAN_NAME_FLOW_BUILDER)
            final FlowBuilder flowBuilder) {
            return BeanSupplier.of(FlowDefinitionRegistry.class)
                .when(CONDITION.given(applicationContext.getEnvironment()))
                .supply(() -> {
                    val builder = new FlowDefinitionRegistryBuilder(applicationContext, flowBuilderServices);
                    builder.addFlowBuilder(flowBuilder, RadiusMultifactorWebflowConfigurer.MFA_RADIUS_EVENT_ID);
                    return builder.build();
                })
                .otherwiseProxy()
                .get();
        }
This is {@link RadiusMultifactorConfiguration}.

@author Misagh Moayyed
@author Nagai Takayuki
@since 5.0.0
support/cas-server-support-radius-mfa/src/main/java/org/apereo/cas/config/RadiusMultifactorConfiguration.java