@Override
        public NodeResources advertisedResourcesOf(Flavor flavor) {
            NodeResources resources = flavor.resources();
            if ( ! flavor.isConfigured()) return resources;
            return resources.withMemoryGiB(resources.memoryGiB() + memoryTaxGb);
        }
Returns the hosts from the input list which are not retired
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTester.java