@Override
    public void close() {
        watchCache.forEach((dataId, lss) -> {
            configService.removeListener(dataId, NacosPathConstants.GROUP, lss);
            watchCache.remove(dataId);
            LOG.info("nacos sync remove listener key:{}", dataId);
        });
    }
Instantiates a new Nacos sync data service.

@param configService         the config service
@param pluginDataSubscriber the plugin data subscriber
@param metaDataSubscribers   the meta data subscribers
@param authDataSubscribers   the auth data subscribers
@param proxySelectorDataSubscribers the proxy selector data subscribers
@param discoveryUpstreamDataSubscribers the discovery upstream data subscribers
@param shenyuConfig          the shenyu config
shenyu-sync-data-center/shenyu-sync-data-nacos/src/main/java/org/apache/shenyu/sync/data/nacos/NacosSyncDataService.java