@RefreshScope(proxyMode = ScopedProxyMode.DEFAULT)
        @Bean
        public FlowBuilderServices flowBuilderServices(
            @Qualifier("flowBuilderConversionService")
            final ConversionService flowBuilderConversionService,
            @Qualifier("viewFactoryCreator")
            final ViewFactoryCreator viewFactoryCreator,
            @Qualifier("expressionParser")
            final ExpressionParser expressionParser) {
            val builder = new FlowBuilderServicesBuilder();
            builder.setViewFactoryCreator(viewFactoryCreator);
            builder.setExpressionParser(expressionParser);
            builder.setConversionService(flowBuilderConversionService);
            return builder.build();
        }
This is {@link CasWebflowContextConfiguration} that attempts to create Spring-managed beans
backed by external configuration.

@author Misagh Moayyed
@since 5.0.0
core/cas-server-core-webflow/src/main/java/org/apereo/cas/config/CasWebflowContextConfiguration.java