}

    /**
     * Checks if related query helper is available.
     * @return True if related query helper is available, false otherwise.
     */
    public static boolean hasRelatedQueryHelper() {
        return hasComponent(RELATED_QUERY_HELPER);
    }

    /**
     * Checks if ingest factory is available.
     * @return True if ingest factory is available, false otherwise.
     */

    }

    @Test
    public void test_hasRelatedQueryHelper() {
        assertFalse(ComponentUtil.hasRelatedQueryHelper());

        ComponentUtil.register(new Object(), "relatedQueryHelper");
        assertTrue(ComponentUtil.hasRelatedQueryHelper());
    }

    @Test
    public void test_hasIngestFactory() {
        assertFalse(ComponentUtil.hasIngestFactory());

            appendConditions(queryBuf, params.getConditions());
        } else {
            final String query = params.getQuery();
            if (StringUtil.isNotBlank(query)) {
                if (ComponentUtil.hasRelatedQueryHelper()) {
                    final RelatedQueryHelper relatedQueryHelper = ComponentUtil.getRelatedQueryHelper();
                    final String[] relatedQueries = relatedQueryHelper.getRelatedQueries(query);