dubbo-admin-server/src/main/resources/META-INF/dubbo/internal/org.apache.dubbo.admin.registry.metadata.MetaDataCollector

zookeeper=org.apache.dubbo.admin.registry.metadata.impl.ZookeeperMetaDataCollector
redis=org.apache.dubbo.admin.registry.metadata.impl.RedisMetaDataCollector
consul=org.apache.dubbo.admin.registry.metadata.impl.ConsulMetaDataCollector
nacos=org.apache.dubbo.admin.registry.metadata.impl.NacosMetaDataCollector