private void addSearchCluster(DeployState deployState, IndexedSearchCluster cluster, Double queryTimeout, List<ModelElement> documentDefs) {
        addSchemas(deployState, documentDefs, cluster);

        if (queryTimeout != null) {
            cluster.setQueryTimeout(queryTimeout);
        }
        cluster.deriveFromSchemas(deployState);
        if ( ! cluster.schemas().values().stream().allMatch(schemaInfo -> schemaInfo.getIndexMode() == SchemaInfo.IndexMode.STORE_ONLY)) {
            addCluster(cluster);
        }
    }
Whether the nodes of this cluster also hosts a container cluster in a hosted system
config-model/src/main/java/com/yahoo/vespa/model/content/ContentSearchCluster.java