queryContext.setQueryBuilder(initialQuery);

        // Add boolean query
        queryContext.addQuery(boolQuery -> {
            boolQuery.filter(QueryBuilders.termQuery("type", "document"));
            boolQuery.must(QueryBuilders.rangeQuery("date").gte("2024-01-01"));
        });

        // Add function score
        queryContext.addFunctionScore(list -> {

        BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        for (QueryBuilder query : queries) {
            boolQuery.must(query);
        }
        return boolQuery;
    }

    private QueryBuilder orQuery(QueryBuilder... queries) {
        BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        for (QueryBuilder query : queries) {

        boolBuilder.add(new TermQuery(new Term("field2", "value2")), BooleanClause.Occur.SHOULD);
        BooleanQuery boolQuery = boolBuilder.build();
        BoostQuery boostQuery = new BoostQuery(boolQuery, 2.0f);

        QueryContext context = new QueryContext("test", false);
        QueryBuilder result = queryProcessor.execute(context, boostQuery, 1.0f);

        final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery().must(QueryBuilders.rangeQuery(freqField).gte(1));
        for (final SuggestItem.Kind kind : excludeKinds) {
            boolQuery.mustNot(QueryBuilders.matchPhraseQuery(FieldNames.KINDS, kind.toString()));
        }

        final SuggestDeleteResponse deleteResponse = deleteByQuery(index, boolQuery);
        if (deleteResponse.hasError()) {

    @Test
    public void test_buildQuery_singleWord() {
        QueryBuilder result = request.buildQuery("test", Collections.emptyList());
        assertNotNull(result);
        assertTrue("Single word query should produce BoolQuery", result instanceof BoolQueryBuilder);

        String queryString = result.toString();
        // Should contain a prefix query for the last word (since no trailing space)

                List<String> readingList = new ArrayList<>();

                final String[] langsArray = languages.toArray(new String[languages.size()]);

                final BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
                final String[] queries = q.replace(fullWidthSpace, " ").replaceAll(" +", " ").trim().split(" ");
                for (int i = 0; i < queries.length; i++) {

                } else if (similarDocHash != null) {
                    final DocumentHelper documentHelper = ComponentUtil.getDocumentHelper();
                    context.addQuery(boolQuery -> {
                        boolQuery.filter(QueryBuilders.termQuery(fessConfig.getIndexFieldContentMinhashBits(),
                                documentHelper.decodeSimilarDocHash(similarDocHash)));
                    });

            protected FilterChain createDefaultFilterChain() {
                return (context, query, boost) -> {
                    called.set(true);
                    return QueryBuilders.boolQuery();
                };
            }
        };
        queryProcessor.init();

        QueryContext context = new QueryContext(null, false);
        MatchAllDocsQuery query = new MatchAllDocsQuery();

        if (!kinds.isEmpty()) {
            filterList.add(buildFilterQuery(FieldNames.KINDS, kinds));
        }

        if (filterList.size() > 0) {
            final BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
            boolQueryBuilder.must(functionScoreQuery);
            filterList.forEach(boolQueryBuilder::filter);
            builder.setQuery(boolQueryBuilder);
        } else {

        dataService.store(pdfResult);

        // Filter by MIME type
        final List<OpenSearchAccessResult> htmlResults = dataService.getAccessResultList(builder -> {
            builder.setQuery(QueryBuilders.boolQuery()
                    .must(QueryBuilders.termQuery("sessionId", sessionId))
                    .must(QueryBuilders.termQuery("mimeType", "text/html")));
            builder.setSize(10);
        });