private static List<ServiceInfo> getSearchNodeServices(IndexedSearchCluster cluster) {
        return cluster.getSearchNodes().stream().map(AbstractService::getServiceInfo).toList();
    }
Validates the changes between all current and next indexed search clusters in a vespa model.

@author geirst
config-model/src/main/java/com/yahoo/vespa/model/application/validation/change/IndexedSearchClusterChangeValidator.java