// Test with FacetResponse object created from empty Aggregations
        List<Aggregation> aggregationList = new ArrayList<>();
        Aggregations aggregations = new Aggregations(aggregationList);
        FacetResponse facetResponse = new FacetResponse(aggregations);
        searchRenderData.setFacetResponse(facetResponse);
        assertEquals(facetResponse, searchRenderData.getFacetResponse());

        // Test builder with facet response
        Aggregations aggregations = InternalAggregations.EMPTY;
        FacetResponse facetResponse = new FacetResponse(aggregations);

        SearchResult result = SearchResult.create().facetResponse(facetResponse).allRecordCount(50L).build();

        assertEquals(facetResponse, result.getFacetResponse());
        assertEquals(50L, result.getAllRecordCount());
    }

        }
    }

    private static class SimpleSearcher extends RankFusionSearcher {
        @Override
        protected SearchResult search(String query, SearchRequestParams params, OptionalThing<FessUserBean> userBean) {
            return new SearchResult(new ArrayList<>(), 0L, "eq", 0L, false, new FacetResponse(InternalAggregations.EMPTY));
        }

            requestedTime = data.getRequestedTime();
            final FacetResponse facetResponse = data.getFacetResponse();
            if (facetResponse != null && facetResponse.hasFacetResponse()) {
                // facet field
                if (facetResponse.getFieldList() != null) {
                    facetField = facetResponse.getFieldList().stream().map(field -> {

            buf.append(']');
            if (facetResponse != null && facetResponse.hasFacetResponse()) {
                // facet field
                buf.append(',');
                buf.append("\"facet_field\":[");
                if (facetResponse.getFieldList() != null) {
                    boolean first1 = true;
                    for (final Field field : facetResponse.getFieldList()) {
                        if (!first1) {

            }

            // facet
            final Aggregations aggregations = searchResponse.getAggregations();
            if (aggregations != null) {
                builder.facetResponse(new FacetResponse(aggregations));
            }

        });
        return builder.build();
    }

    /**
     * Sends a search request to OpenSearch with the specified parameters.
     *

            final String allRecordCountRelation, final long queryTime, final boolean partialResults, final FacetResponse facetResponse,
            final int start, final int pageSize, final int offset) {
        return new QueryResponseList(documentList, allRecordCount, allRecordCountRelation, queryTime, partialResults, facetResponse, start,
                pageSize, offset);
    }

    /**

            RenderDataUtil.register(data, "queryId", queryId);
            RenderDataUtil.register(data, "documentItems", documentItems);
            RenderDataUtil.register(data, "facetResponse", facetResponse);
            RenderDataUtil.register(data, "appendHighlightParams", appendHighlightParams);
            RenderDataUtil.register(data, "execTime", execTime);

            RenderDataUtil.register(data, "queryId", queryId);
            RenderDataUtil.register(data, "documentItems", documentItems);
            RenderDataUtil.register(data, "facetResponse", facetResponse);
            RenderDataUtil.register(data, "appendHighlightParams", appendHighlightParams);
            RenderDataUtil.register(data, "execTime", execTime);

import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;
import org.codelibs.fess.util.FacetResponse;
import org.codelibs.fess.util.ResourceUtil;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.taglib.function.LaFunctions;
import org.lastaflute.web.response.ActionResponse;