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);

        return ComponentUtil.getSearchEngineClient().getDocument(fessConfig.getIndexDocumentSearchIndex(), builder -> {
            final BoolQueryBuilder boolQuery =
                    QueryBuilders.boolQuery().must(QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId));
            final Set<String> roleSet = ComponentUtil.getRoleQueryHelper().build(SearchRequestType.JSON); // TODO SearchRequestType?

        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()) {

     * @param boolQuery Consumer that configures the boolean query.
     */
    public void addQuery(final Consumer<BoolQueryBuilder> boolQuery) {
        BoolQueryBuilder builder;
        if (queryBuilder instanceof MatchAllQueryBuilder) {
            builder = QueryBuilders.boolQuery();
        } else {
            builder = QueryBuilders.boolQuery().must(queryBuilder);
        }

                } else {
                    final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery().filter(QueryBuilders.termQuery(SESSION_ID, sessionId));
                    if (queryBuilder != null) {
                        boolQuery.must(queryBuilder);
                    }
                    builder.setQuery(boolQuery);
                }
            } else if (queryBuilder != null) {

    @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();

     *
     * @param time The timestamp to purge data before.
     */
    public void purgeDocumentSuggest(final LocalDateTime time) {
        final BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
        boolQueryBuilder
                .must(QueryBuilders.rangeQuery(FieldNames.TIMESTAMP).lt(time.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli()));