@Bean
    public ShenyuPlugin sentinelPlugin(final FallbackHandler fallbackHandler) {
        return new SentinelPlugin(fallbackHandler);
    }
Sentinel plugin.

@param fallbackHandler the fallback 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