@Override
        public long selectionTimeoutMillis() {
            return super.selectionTimeoutMillis();
        }
This workaround delegates DynamicEndpointGroupSetters properties to AbstractDynamicEndpointGroupBuilder.
ZooKeeperEndpointGroupBuilder can't extend AbstractDynamicEndpointGroupBuilder because it already extends
AbstractCuratorFrameworkBuilder.
zookeeper3/src/main/java/com/linecorp/armeria/client/zookeeper/ZooKeeperEndpointGroupBuilder.java