"lang_sv": {
          "match": "*_sv",
          "mapping": {
            "type": "text",
            "analyzer": "swedish_analyzer"
          }
        }
      },
      {
        "lang_ta": {
          "match": "*_ta",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_te": {

        "lang_sv": {
          "match": "*_sv",
          "mapping": {
            "type": "text",
            "analyzer": "swedish_analyzer"
          }
        }
      },
      {
        "lang_ta": {
          "match": "*_ta",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_te": {

        "lang_sv": {
          "match": "*_sv",
          "mapping": {
            "type": "text",
            "analyzer": "swedish_analyzer"
          }
        }
      },
      {
        "lang_ta": {
          "match": "*_ta",
          "mapping": {
            "type": "text",
            "analyzer": "empty_analyzer"
          }
        }
      },
      {
        "lang_te": {

        // Test convert with null languages
        String text = "test text";
        String field = "content";
        String[] langs = null;

        List<String> results = converter.convert(text, field, langs);

        assertNotNull(results);
        // Results may vary based on analyzer configuration
    }

    @Test

     * @param roles The roles.
     * @param num The number.
     * @param langs The languages.
     * @return The SuggestIndexResponse.
     */
    public SuggestIndexResponse indexFromSearchWord(final String searchWord, final String[] fields, final String[] tags,
            final String[] roles, final int num, final String[] langs) {
        if (logger.isDebugEnabled()) {

        String[] roles = new String[] { "role1" };
        String[] langs = new String[] { "ja" };

        SuggestAnalyzer analyzer = suggester.settings().analyzer().new DefaultContentsAnalyzer();
        SuggestItem item = defaultContentsParser.parseSearchWords(words, readings, fields, tags, roles, 10, createDefaultReadingConverter(),
                createDefaultNormalizer(), analyzer, langs);

        assertNotNull(item);

            if (virtualHost != null) {
                tags.add(virtualHost);
            }

            if (sb.length() > 0) {
                final String[] langs = searchLog.getLanguages() == null ? new String[] {} : searchLog.getLanguages().split(",");
                stream(searchLog.getRoles()).of(stream -> stream.forEach(role -> roles.add(role)));