public QrSearchersConfig.Searchcluster.Builder getQrSearcherConfig() {
        var builder = new QrSearchersConfig.Searchcluster.Builder()
                .name(getClusterName())
                .rankprofiles_configid(getConfigId())
                .storagecluster(new QrSearchersConfig.Searchcluster.Storagecluster.Builder().routespec(getStorageRouteSpec()))
                .indexingmode(hasStreaming() ? QrSearchersConfig.Searchcluster.Indexingmode.STREAMING
                                             : QrSearchersConfig.Searchcluster.Indexingmode.REALTIME);
        for (SchemaInfo spec : schemas().values()) {
            builder.searchdef(spec.fullSchema().getName());
        }
        return builder;
    }
Returns the document databases contained in this cluster
config-model/src/main/java/com/yahoo/vespa/model/search/SearchCluster.java