@Override
    public ZooKeeperEndpointGroupBuilder allowEmptyEndpoints(boolean allowEmptyEndpoints) {
        dynamicEndpointGroupBuilder.allowEmptyEndpoints(allowEmptyEndpoints);
        return this;
    }
Returns a newly-created {@link ZooKeeperEndpointGroup} based on the properties set so far.
zookeeper3/src/main/java/com/linecorp/armeria/client/zookeeper/ZooKeeperEndpointGroupBuilder.java