@Bean
        @ConditionalOnMissingBean(name = "casBeanValidationPostProcessor")
        public static BeanPostProcessor casBeanValidationPostProcessor() {
            return new BeanValidationPostProcessor();
        }
Create casBeanValidationPostProcessor bean.
Note that {@code BeanPostProcessor} beans should be static.

@return the BeanValidationPostProcessor
core/cas-server-core-util/src/main/java/org/apereo/cas/config/CasCoreUtilConfiguration.java