]
        },
        "french_stop": {
          "type":       "stop",
          "stopwords_path": "${fess.dictionary.path}fr/stopwords.txt"
        },
        "french_keywords": {
          "type":       "keyword_marker",
          "keywords_path": "${fess.dictionary.path}fr/protwords.txt"
        },
        "french_stemmer": {
          "type":       "stemmer",
          "language":   "light_french"

Find the `supported.languages` property (around line 202) and ensure your language code is included:

```properties
supported.languages=ar,bg,bn,ca,ckb_IQ,cs,da,de,el,en_IE,en,es,et,eu,fa,fi,fr,gl,gu,he,hi,hr,hu,hy,id,it,ja,ko,lt,lv,mk,ml,nl,no,pa,pl,pt_BR,pt,ro,ru,si,sq,sv,ta,te,th,tl,tr,uk,ur,vi,zh_CN,zh_TW,zh
```

**Optional configurations:**

If you create online help documentation:
```properties

- [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)
- [한국어 (Korean)](docs/ko/README.md)

## Powered By

* [Lasta Di](https://github.com/lastaflute/lasta-di "Lasta Di"): DI Container

                return "lang";
            }
        };
        ComponentUtil.setFessConfig(mockConfig);

        // Setup mock request manager
        RequestManager mockRequestManager = createMockRequestManager("fr");

        // Execute
        OptionalThing<Locale> result = provider.findBusinessLocale(null, mockRequestManager);

        // Verify
        assertTrue(result.isPresent());

    }

    @Test
    public void test_entrySet_with_only_lang_key() {
        Map<String, Object> parentMap = new LinkedHashMap<>();
        DocMap docMap = new DocMap(parentMap);

        docMap.put("lang", "fr");

        Set<Map.Entry<String, Object>> entrySet = docMap.entrySet();
        assertEquals(1, entrySet.size());

        String[] keys = entrySet.stream().map(Map.Entry::getKey).toArray(String[]::new);

        assertEquals("ko", languageHelper.getSupportedLanguage("ko"));
    }

    @Test
    public void test_getSupportedLanguage_unsupported() {
        assertNull(languageHelper.getSupportedLanguage("fr"));
        assertNull(languageHelper.getSupportedLanguage("de"));
        assertNull(languageHelper.getSupportedLanguage("unknown"));
    }

    @Test
    public void test_getSupportedLanguage_blank() {

### 翻訳

- [English](../../README.md)
- [简体中文 (Simplified Chinese)](../zh-CN/README.md)
- [Español (Spanish)](../es/README.md)
- [Português (Brazilian Portuguese)](../pt-BR/README.md)
- [Français (French)](../fr/README.md)
- [Deutsch (German)](../de/README.md)
- [한국어 (Korean)](../ko/README.md)

## Powered By

* [Lasta Di](https://github.com/lastaflute/lasta-di "Lasta Di"): DIコンテナ

bn=bn\n\
ca=ca\n\
ckb-iq=ckb-iq\n\
ckb_IQ=ckb-iq\n\
cs=cs\n\
da=da\n\
de=de\n\
el=el\n\
en=en\n\
en-ie=en-ie\n\
en_IE=en-ie\n\
es=es\n\
et=et\n\
eu=eu\n\
fa=fa\n\
fi=fi\n\
fr=fr\n\
gl=gl\n\
gu=gu\n\
he=he\n\
hi=hi\n\
hr=hr\n\
hu=hu\n\
hy=hy\n\
id=id\n\
it=it\n\
ja=ja\n\
ko=ko\n\
lt=lt\n\
lv=lv\n\
mk=mk\n\
ml=ml\n\
nl=nl\n\
no=no\n\

     * el=el<br>
     * en=en<br>
     * en-ie=en-ie<br>
     * en_IE=en-ie<br>
     * es=es<br>
     * et=et<br>
     * eu=eu<br>
     * fa=fa<br>
     * fi=fi<br>
     * fr=fr<br>
     * gl=gl<br>
     * gu=gu<br>
     * he=he<br>
     * hi=hi<br>
     * hr=hr<br>
     * hu=hu<br>
     * hy=hy<br>
     * id=id<br>
     * it=it<br>
     * ja=ja<br>

_~S\xe9p_~\xd3ct_~\xd1\xf3v_~D\xe9c".split("_"),monthsParseExact:!0,weekdays:"S~\xfa\xf1d\xe1~\xfd_M\xf3~\xf1d\xe1\xfd~_T\xfa\xe9~sd\xe1\xfd~_W\xe9d~\xf1\xe9sd~\xe1\xfd_T~h\xfars~d\xe1\xfd_~Fr\xedd~\xe1\xfd_S~\xe1t\xfar~d\xe1\xfd".split("_"),weekdaysShort:"S~\xfa\xf1_~M\xf3\xf1_~T\xfa\xe9_~W\xe9d_~Th\xfa_~Fr\xed_~S\xe1t".split("_"),weekdaysMin:"S~\xfa_M\xf3~_T\xfa_~W\xe9_T~h_Fr~_S\xe1".split("_"),weekdaysParseExact:!0,longDateFormat:{LT:"HH:mm",L:"DD/MM/YYYY",LL:"D MMMM YYYY",LLL:"D MMMM YYYY HH:mm",LLLL:"dddd,...