class ServiceConfig extends AbstractServiceConfig {

    public synchronized void export() {
        checkAndUpdateSubConfigs(); // 加载并更新配置信息到Bean对象中，并检查

        if (provider != null) {
            if (export == null) {
                export = provider.getExport();
            }
            if (delay == null) {
                delay = provider.getDelay();
            }
        }
        if (export != null && !export) {
            return;
        }

        if (delay != null && delay > 0) {
            delayExportExecutor.schedule(this::doExport, delay, TimeUnit.MILLISECONDS);
        } else {
            doExport();
        }
    }

    public  ServiceConfig();
    public  ServiceConfig(Service service);

}