protected void processRequest(final Client client, final Deferred<PopularWordsResponse> deferred) {
        final SearchRequestBuilder builder = client.prepareSearch(index);
        builder.setSize(size);
        builder.setQuery(buildQuery());
        builder.setRescorer(buildRescore(), windowSize);

        builder.execute(new ActionListener<SearchResponse>() {
            @Override

        final StringBuilder queryBuf = new StringBuilder(255);
        if (params.hasConditionQuery()) {
            appendConditions(queryBuf, params.getConditions());
        } else {
            final String query = params.getQuery();
            if (StringUtil.isNotBlank(query)) {
                if (ComponentUtil.hasRelatedQueryHelper()) {
                    final RelatedQueryHelper relatedQueryHelper = ComponentUtil.getRelatedQueryHelper();

                ThumbnailQueueCQ cf = new ThumbnailQueueCQ();
                cqLambda.callback(cf);
                list.add(new FilterFunctionBuilder(cf.getQuery(), scoreFunctionBuilder));
            });
        }
        final FunctionScoreQueryBuilder builder = regFunctionScoreQ(cq.getQuery(), list);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    }

    public boolean hasQueries() {
        return queryBuilderList != null && !queryBuilderList.isEmpty();
    }

    public QueryBuilder getQuery() {
        if (queryBuilderList == null) {
            return null;
        } else if (queryBuilderList.size() == 1) {
            return queryBuilderList.get(0);
        }

        ElevateWordToLabelCQ cq = new ElevateWordToLabelCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            ElevateWordToLabelCA ca = new ElevateWordToLabelCA();

    /** View parameter for facet query information. */
    public static final String FACET_QUERY = "fess.FacetQuery";

    /** View parameter for geo query information. */
    public static final String GEO_QUERY = "fess.GeoQuery";

    /** View parameter for facet form data. */
    public static final String FACET_FORM = "fess.FacetForm";

    /** View parameter for geo form data. */

                CrawlingInfoCQ cf = new CrawlingInfoCQ();
                cqLambda.callback(cf);
                list.add(new FilterFunctionBuilder(cf.getQuery(), scoreFunctionBuilder));
            });
        }
        final FunctionScoreQueryBuilder builder = regFunctionScoreQ(cq.getQuery(), list);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

                CrawlingInfoParamCQ cf = new CrawlingInfoParamCQ();
                cqLambda.callback(cf);
                list.add(new FilterFunctionBuilder(cf.getQuery(), scoreFunctionBuilder));
            });
        }
        final FunctionScoreQueryBuilder builder = regFunctionScoreQ(cq.getQuery(), list);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

        GroupCQ cq = new GroupCQ();
        if (queryLambda != null) {
            queryLambda.callback(cq);
        }
        FilterAggregationBuilder builder = regFilterA(name, cq.getQuery());
        if (opLambda != null) {
            opLambda.callback(builder);
        }
        if (aggsLambda != null) {
            GroupCA ca = new GroupCA();
            aggsLambda.callback(ca);

suggester.switchIndex();                // Switch to new index
suggester.removeDisableIndices();       // Cleanup old indices
```

**Async Operations:**
```java
suggester.suggest()
    .setQuery("search")
    .execute()
    .done(response -> { /* handle success */ })
    .error(throwable -> { /* handle error */ });
```

---

## Important Notes

### Thread Safety