@Bean
    @Order(Ordered.HIGHEST_PRECEDENCE)
    public SentinelBlockExceptionHandler sentinelBlockExceptionHandler() {
        return new SentinelBlockExceptionHandler(viewResolvers, serverCodecConfigurer);
    }
Sentinel exception handler.

@return the shenyu plugin
shenyu-spring-boot-starter/shenyu-spring-boot-starter-plugin/shenyu-spring-boot-starter-plugin-sentinel/src/main/java/org/apache/shenyu/springboot/starter/plugin/sentinel/SentinelPluginConfiguration.java