final List<String> wordList = new ArrayList<>();
                final SuggestHelper suggestHelper = ComponentUtil.getSuggestHelper();
                final PopularWordsRequestBuilder popularWordsRequestBuilder = suggestHelper.suggester()
                        .popularWords()
                        .setSize(fessConfig.getSuggestPopularWordSizeAsInteger())

            final String[] langs = searchHelper.getLanguages(request, parameter);

            final SuggestHelper suggestHelper = ComponentUtil.getSuggestHelper();
            final SuggestRequestBuilder builder = suggestHelper.suggester().suggest();
            builder.setQuery(parameter.getQuery());
            stream(parameter.getSuggestFields()).of(stream -> stream.forEach(builder::addField));

            storeSearchLogList(searchLogList);
            // update suggest index
            if (fessConfig.isSuggestSearchLog()) {
                final SuggestHelper suggestHelper = ComponentUtil.getSuggestHelper();
                suggestHelper.indexFromSearchLog(searchLogList);
            }
        }
    }

    /**
     * Processes user information logs.
     *

    private static final String LDAP_MANAGER = "ldapManager";

    private static final String ROLE_QUERY_HELPER = "roleQueryHelper";

    private static final String SUGGEST_HELPER = "suggestHelper";

    private static final String SEARCH_ENGINE_CLIENT = "searchEngineClient";

    private static final String DICTIONARY_MANAGER = "dictionaryManager";