* @param key The virtual host key.
     * @return A map of terms and boost information.
     */
    protected Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>> getQueryMap(final String key) {
        final Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>> map = keyMatchQueryMap.get(key);
        if (map != null) {
            return map;
        }
        return Collections.emptyMap();
    }

    }

    public void test_getQueryMap_exists() {
        Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>> result = keyMatchHelper.getQueryMap("");
        assertNotNull(result);
    }

    public void test_getQueryMap_notExists() {
        Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>> result = keyMatchHelper.getQueryMap("nonexistent");
        assertNotNull(result);

import org.opensearch.index.query.QueryBuilders;
import org.opensearch.index.query.functionscore.FunctionScoreQueryBuilder.FilterFunctionBuilder;
import org.opensearch.index.query.functionscore.ScoreFunctionBuilder;
import org.opensearch.index.query.functionscore.ScoreFunctionBuilders;
import org.opensearch.search.rescore.RescorerBuilder;
import org.opensearch.search.sort.SortBuilder;
import org.opensearch.search.sort.SortBuilders;