*/
    protected SearchResult processResponse(final OptionalEntity<SearchResponse> searchResponseOpt) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SearchResultBuilder builder = SearchResult.create();
        searchResponseOpt.ifPresent(searchResponse -> {
            final SearchHits searchHits = searchResponse.getHits();
            builder.allRecordCount(searchHits.getTotalHits().value());

import org.opensearch.action.index.IndexRequestBuilder;
import org.opensearch.action.index.IndexResponse;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.update.UpdateRequestBuilder;
import org.opensearch.core.action.ActionListener;
import org.opensearch.index.seqno.SequenceNumbers;
import org.opensearch.search.SearchHit;

import org.codelibs.fess.util.ComponentUtil;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.update.UpdateRequestBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.script.Script;
import org.opensearch.script.ScriptType;

            final SearchResult<T, SearchRequestBuilder, SearchResponse> searchResult) {
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long startTime = systemHelper.getCurrentTimeAsLong();

        SearchResponse searchResponse = null;
        final SearchRequestBuilder searchRequestBuilder = client.prepareSearch(index);

import org.opensearch.action.index.IndexRequestBuilder;
import org.opensearch.action.index.IndexResponse;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.update.UpdateRequestBuilder;
import org.opensearch.core.action.ActionListener;
import org.opensearch.index.seqno.SequenceNumbers;
import org.opensearch.search.SearchHit;

import org.opensearch.action.index.IndexRequestBuilder;
import org.opensearch.action.index.IndexResponse;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.action.update.UpdateRequestBuilder;
import org.opensearch.core.action.ActionListener;
import org.opensearch.index.seqno.SequenceNumbers;
import org.opensearch.search.SearchHit;

            queryRequestBuilder.setPreference(Constants.SEARCH_PREFERENCE_LOCAL);
            return true;
        }, (queryRequestBuilder, execTime, searchResponse) -> {
            final List<Map<String, String>> sessionIdList = new ArrayList<>();
            searchResponse.ifPresent(response -> {
                final Terms terms = response.getAggregations().get(fessConfig.getIndexFieldSegment());

        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        return client.<SearchHit> scrollSearch(index, searchRequestBuilder -> true, (searchResponse, hit) -> hit,
                hit -> callback.apply(hit));
    }

    /**
     * Converts a ToXContent object to its string representation using the specified media type.
     *

import org.opensearch.action.bulk.BulkItemResponse;
import org.opensearch.action.bulk.BulkItemResponse.Failure;
import org.opensearch.action.bulk.BulkResponse;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;

/**
 * Helper class for indexing operations in the Fess search engine.

                            .responseFields(queryFieldConfig.getScrollResponseFields())
                            .searchRequestType(params.getType())
                            .build();
                }, (searchResponse, hit) -> {
                    final Map<String, Object> docMap = new HashMap<>();
                    final Map<String, Object> source = hit.getSourceAsMap();
                    if (source != null) {