@Bean
    public ProxySelectorDataSubscriber proxySelectorDataSubscriber(final ObjectProvider<List<ProxySelectorDataHandler>> proxySelectorDataHandlers) {
        List<ProxySelectorDataHandler> proxySelectorDataHandlerList = proxySelectorDataHandlers.getIfAvailable(Collections::emptyList);
        return new CommonProxySelectorDataSubscriber(proxySelectorDataHandlerList);
    }
Common proxy Selector  subscriber.

@param proxySelectorDataHandlers proxySelectorDataHandlers
@return ProxySelectorDataSubscriber
shenyu-spring-boot-starter/shenyu-spring-boot-starter-plugin/shenyu-spring-boot-starter-plugin-global/src/main/java/org/apache/shenyu/springboot/starter/plugin/global/GlobalPluginConfiguration.java