}

    // Test getLanguages method
    @Test
    public void test_getLanguages_fromParams() {
        SearchRequestParams params = createMockSearchRequestParams();
        ((MockSearchRequestParams) params).setLanguages(new String[] { "en", "ja" });

        try {
            String[] languages = searchHelper.getLanguages(getMockRequest(), params);

            assertNotNull(languages);

        registerModifiedProperty("hitCountRelation");
        this.hitCountRelation = value;
    }

    public String getLanguages() {
        checkSpecifiedProperty("languages");
        return convertEmptyToNull(languages);
    }

    public void setLanguages(String value) {
        registerModifiedProperty("languages");
        this.languages = value;
    }

    public String getQueryId() {

    .setQuery("search term")
    .setSize(10)                           // max results
    .setTags(new String[]{"category"})      // filter by tags
    .setRoles(new String[]{"user"})         // filter by roles  
    .setLanguages(new String[]{"en", "ja"}) // language preference
    .setFields(new String[]{"title"})       // search specific fields
    .execute()
    .getResponse();
```

## Project Structure

```
src/

                (et, vl) -> ((SearchLog) et).setHitCountRelation(DfTypeUtil.toString(vl)), "hitCountRelation");
        setupEpg(_epgMap, et -> ((SearchLog) et).getLanguages(), (et, vl) -> ((SearchLog) et).setLanguages(DfTypeUtil.toString(vl)),
                "languages");
        setupEpg(_epgMap, et -> ((SearchLog) et).getQueryId(), (et, vl) -> ((SearchLog) et).setQueryId(DfTypeUtil.toString(vl)), "queryId");

        this.roles = roles;
    }

    /**
     * Sets the languages of the suggest item.
     * @param languages The languages to set.
     */
    public void setLanguages(final String[] languages) {
        this.languages = languages;
    }

    /**
     * Sets the kinds of the suggest item.
     * @param kinds The kinds to set.
     */

        mergedItem.setFields(mergeStringArrays(item1.getFields(), item2.getFields()));
        mergedItem.setTags(mergeStringArrays(item1.getTags(), item2.getTags()));
        mergedItem.setLanguages(mergeStringArrays(item1.getLanguages(), item2.getLanguages()));
        mergedItem.setRoles(mergeStringArrays(item1.getRoles(), item2.getRoles()));

        // Merge kinds
        mergedItem.setKinds(mergeKinds(item1.getKinds(), item2.getKinds()));

            result.setHitCount(DfTypeUtil.toLong(source.get("hitCount")));
            result.setHitCountRelation(DfTypeUtil.toString(source.get("hitCountRelation")));
            result.setLanguages(DfTypeUtil.toString(source.get("languages")));
            result.setQueryId(DfTypeUtil.toString(source.get("queryId")));
            result.setQueryOffset(DfTypeUtil.toInteger(source.get("queryOffset")));

        item.setQueryFreq(queryFreq);
        item.setUserBoost(userBoost);
        item.setTags(tags.toArray(new String[tags.size()]));
        item.setRoles(roles.toArray(new String[roles.size()]));
        item.setLanguages(languages.toArray(new String[languages.size()]));

        final SuggestItem.Kind[] itemKinds = new SuggestItem.Kind[kinds.size()];
        for (int i = 0; i < kinds.size(); i++) {

            final Object languages = context.request.getAttribute(Constants.REQUEST_LANGUAGES);
            if (languages != null) {
                searchLog.setLanguages(StringUtils.join((String[]) languages, ","));
            } else {
                searchLog.setLanguages(StringUtil.EMPTY);
            }

            @SuppressWarnings("unchecked")

        item.setRoles(roles);
        assertArrayEquals(roles, item.getRoles());

        // Test languages
        String[] languages = { "en", "fr" };
        item.setLanguages(languages);
        assertArrayEquals(languages, item.getLanguages());

        // Test kinds
        SuggestItem.Kind[] kinds = { SuggestItem.Kind.DOCUMENT, SuggestItem.Kind.QUERY };
        item.setKinds(kinds);