private boolean shouldProvision(ApplicationId application, NodeType nodeType, ClusterSpec.Type clusterType) {
        if (application.instance().isTester()) return false;  // Do not provision for tester instances
        if (!service.supports(nodeType, clusterType)) return false;  // Nothing to provision for this node and cluster type
        return true;
    }
Returns whether to provision a load balancer for given application
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/LoadBalancerProvisioner.java