public VespaModel createModel(Zone zone, String services, boolean failOnOutOfCapacity, boolean useMaxResources,
                                  boolean alwaysReturnOneNode,
                                  NodeResources defaultResources,
                                  int startIndexForClusters, Optional<VespaModel> previousModel,
                                  DeployState.Builder deployStatebuilder, String ... retiredHostNames) {
        return createModel(zone, services, null, failOnOutOfCapacity, useMaxResources, alwaysReturnOneNode,
                           defaultResources,
                           startIndexForClusters, previousModel, deployStatebuilder, retiredHostNames);
    }
Creates a model which uses 0 as start index
config-model/src/test/java/com/yahoo/vespa/model/test/VespaModelTester.java