final SearchEngineClient searchEngineClient = new SearchEngineClient() {
            @Override
            public long scrollSearch(final String index, final SearchCondition<org.opensearch.action.search.SearchRequestBuilder> condition,
                    final BooleanFunction<Map<String, Object>> cursor) {
                long count = 0;
                for (final Map<String, Object> doc : documents) {
                    count++;