assertArrays(new String[] { "ja", "zh-cn" }, fessConfig.normalizeQueryLanguages(new String[] { "ja", "zh" }));
        assertArrays(new String[] { "ja", "zh-cn" }, fessConfig.normalizeQueryLanguages(new String[] { "ja", "zh_CN" }));
        assertArrays(new String[] { "ja", "zh-cn" }, fessConfig.normalizeQueryLanguages(new String[] { "ja", "zh-cn" }));

        assertEquals("ja", languageHelper.getSupportedLanguage("ja"));
        assertEquals("en", languageHelper.getSupportedLanguage("en"));
        assertEquals("zh", languageHelper.getSupportedLanguage("zh"));
        assertEquals("ko", languageHelper.getSupportedLanguage("ko"));
    }

    public void test_getSupportedLanguage_unsupported() {

        assertEquals("ja", systemHelper.normalizeLang(value));

        value = "zh";
        assertEquals("zh", systemHelper.normalizeLang(value));

        value = "zh-cn";
        assertEquals("zh_CN", systemHelper.normalizeLang(value));

        value = "zh_CN";
        assertEquals("zh_CN", systemHelper.normalizeLang(value));

        value = "zh-tw";
        assertEquals("zh_TW", systemHelper.normalizeLang(value));

pt_BR=pt-br\n\
ro=ro\n\
ru=ru\n\
si=si\n\
sq=sq\n\
sv=sv\n\
ta=ta\n\
te=te\n\
th=th\n\
tl=tl\n\
tr=tr\n\
uk=uk\n\
ur=ur\n\
vi=vi\n\
zh-cn=zh-cn\n\
zh_CN=zh-cn\n\
zh-tw=zh-tw\n\
zh_TW=zh-tw\n\
zh=zh\n\

# boost

# Boost value for title field in queries.
query.boost.title=0.5
# Boost value for title field with language in queries.
query.boost.title.lang=1.0

          "rules_path": "${fess.dictionary.path}ru/stemmer_override.txt"
        },
        "simplified_chinese_stop": {
          "type":       "stop",
          "stopwords_path": "${fess.dictionary.path}zh-cn/stopwords.txt"
        },
        "sorani_stop": {
          "type":       "stop",
          "stopwords_path": "${fess.dictionary.path}ckb-iq/stopwords.txt"
        },
        "sorani_keywords": {

We welcome pull requests for your language.

### Translations

- [日本語 (Japanese)](docs/ja/README.md)
- [简体中文 (Simplified Chinese)](docs/zh-CN/README.md)
- [Español (Spanish)](docs/es/README.md)
- [Português (Brazilian Portuguese)](docs/pt-BR/README.md)
- [Français (French)](docs/fr/README.md)
- [Deutsch (German)](docs/de/README.md)

     * te=te<br>
     * th=th<br>
     * tl=tl<br>
     * tr=tr<br>
     * uk=uk<br>
     * ur=ur<br>
     * vi=vi<br>
     * zh-cn=zh-cn<br>
     * zh_CN=zh-cn<br>
     * zh-tw=zh-tw<br>
     * zh_TW=zh-tw<br>
     * zh=zh<br>
     *  */
    String QUERY_LANGUAGE_MAPPING = "query.language.mapping";

    /** The key of the configuration. e.g. 0.5 */