@Bean
        @RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
        @ConditionalOnMissingBean(name = "mfaTwilioAuthenticatorFlowRegistry")
        public FlowDefinitionRegistry mfaTwilioAuthenticatorFlowRegistry(
            final CasConfigurationProperties casProperties,
            @Qualifier(CasWebflowConstants.BEAN_NAME_FLOW_BUILDER)
            final FlowBuilder flowBuilder,
            @Qualifier(CasWebflowConstants.BEAN_NAME_FLOW_BUILDER_SERVICES)
            final FlowBuilderServices flowBuilderServices,
            final ConfigurableApplicationContext applicationContext) {
            val builder = new FlowDefinitionRegistryBuilder(applicationContext, flowBuilderServices);
            builder.addFlowBuilder(flowBuilder, casProperties.getAuthn().getMfa().getTwilio().getId());
            return builder.build();
        }
This is {@link CasTwilioMultifactorAuthenticationWebflowConfiguration}.

@author Misagh Moayyed
@since 7.2.0
support/cas-server-support-twilio-mfa/src/main/java/org/apereo/cas/config/CasTwilioMultifactorAuthenticationWebflowConfiguration.java