private List<Slobrok> getExplicitSlobrokSetup(DeployState deployState, TreeConfigProducer<AnyConfigProducer> parent, Element slobroksE) {
        List<Slobrok> slobroks = new ArrayList<>();
        int i = 0;
        for (Element e : XML.getChildren(slobroksE, "slobrok"))
            slobroks.add(new SlobrokBuilder(i++).build(deployState, parent, e));
        return slobroks;
    }
Fallback when no config server is specified
config-model/src/main/java/com/yahoo/vespa/model/builder/xml/dom/DomAdminV2Builder.java