@Override
    public void init(final RegisterConfig config) {
        Properties props = config.getProps();
        long timeout = Long.parseLong(props.getProperty("etcdTimeout", "3000"));
        long ttl = Long.parseLong(props.getProperty("etcdTTL", "5"));
        client = new EtcdClient(config.getServerLists(), ttl, timeout);
    }
The type Etcd instance register repository.
shenyu-registry/shenyu-registry-etcd/src/main/java/org/apache/shenyu/registry/etcd/EtcdInstanceRegisterRepository.java