@ConditionalOnMissingBean(name = "casCloudBusConfigurationEventListener")
    @Bean
    @RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
    @Lazy(false)
    public CasCloudBusConfigurationEventListener casCloudBusConfigurationEventListener(
        final ConfigurableApplicationContext applicationContext,
        @Qualifier(CasConfigurationPropertiesEnvironmentManager.BEAN_NAME)
        final CasConfigurationPropertiesEnvironmentManager manager) {
        return new DefaultCasCloudBusConfigurationEventListener(manager, applicationContext);
    }
This is {@link CasCoreCloudBusEventsConfigEnvironmentAutoConfiguration}.

@author Misagh Moayyed
@since 5.1.0
core/cas-server-core-events-configuration-cloud-bus/src/main/java/org/apereo/cas/config/CasCoreCloudBusEventsConfigEnvironmentAutoConfiguration.java