assertTrue(paramMap.containsKey("ccc.ddd"));
        assertFalse(paramMap.containsKey("cccDdd"));
        assertFalse(paramMap.containsKey("DccDdd"));
    }

    public void test_camel_get() {
        Map<Object, Object> paramMap = createCamelMap();

        assertNull(paramMap.get("xxx"));
        assertEquals("111", paramMap.get("aaa"));
        assertEquals("222", paramMap.get("aaa_bbb"));

AAA,WACE,IAAIC,GAAqB,EACrBC,GAAiB,EACfhC,EAAc1F,EAAEF,KAAK0F,UAAUU,QACnCkB,GACA,GAEF,GAAI1B,EAAa,CACf,IAAMiC,EAAQ7H,KAAK0F,SAASvE,cAAcmG,GAE1C,GAAIO,EAAO,CACT,GAAmB,UAAfA,EAAMC,KACR,GAAID,EAAME,SACR/H,KAAK0F,SAASsC,UAAUC,SAASzC,GACjCmC,GAAqB,MAChB,CACL,IAAMO,EAAgBtC,EAAYzE,cAAcmG,GAE5CY,GACFhI,EAAEgI,GAAe5B,YAAYd,OAGT,aAAfqC,EAAMC,KACe,UAA1B9H,KAAK0F,SAASyC,SAAuBN,EAAME,UAAY/H,KAAK0F,SAASsC,UAAUC,SAASzC,KAC1FmC,GAAqB,GAIvBA,GAAqB,EAGnBA,IACFE,EAAME,SAAW/H,KAAK0F,SAASsC,UAAUC,SAASzC,GAClDtF,EAAE2...

AHkB,GAK5Bb,QAL4B,GAM5BC,gBAGFa,qBCzD6F,IAAvBC,4CAAAA,eACvEC,EAASC,EAAQ,EAARA,EACTC,EAA6B,MAApBC,KAAOrF,SAChBsF,EAAejB,KACfkB,EAAalB,KACbmB,EAAe9E,KAEfkD,EAASvD,KACToF,EAAiB9B,WAAWC,EAAO6B,cAAlB9B,CAAkC,EAAlCA,EACjB+B,EAAkB/B,WAAWC,EAAO8B,eAAlB/B,CAAmC,EAAnCA,EAGrBsB,IAZiG,KAavF7B,IAAMS,GAAS0B,EAAWnC,GAApBS,CAAyB,CAAzBA,CAbiF,GAcvFP,KAAOO,GAAS0B,EAAWjC,IAApBO,CAA0B,CAA1BA,CAdgF,KAgBhGI,GAAUe,EAAc,KACrBM,EAAalC,GAAbkC,CAAmBC,EAAWnC,GAA9BkC,EADqB,MAEpBA,EAAahC,IAAbgC,CAAoBC,EAAWjC,IAA/BgC,EAFoB,OA...

    # /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    # o isTableNameCamelCase: (NotRequired - Default false)
    #  Is the table name camel case?
    #  Basically you don't need this if the style of table name is like 'FOO_STATUS'.
    #    [true]
    #      The table name is camel case.
    #      e.g. If the table name is 'OrderDetail', the class name is 'OrderDetail'.
    #
    #    [false]

8CAOI,WAAA,EAPJ,kDAWI,SAAA,OAIJ,2DAEI,WAAA,GAMR,+CAEI,OAAA,EAIJ,2CAEI,OAAA,EACA,KAAA,EACA,SAAA,MACA,MAAA,EACA,QAAA,KAIJ,+CAEI,SAAA,OAFJ,mDAMI,cAAA,EAtBJ,+CA+BQ,OAAA,EAzBR,2CA+BQ,OAAA,EACA,KAAA,EACA,SAAA,MACA,MAAA,EACA,QAAA,KANJ,+CAUI,cAAA,mBA7BR,+CAmCQ,SAAA,O/DrUN,yB+D+SE,kDAEI,OAAA,EAIJ,8CAEI,OAAA,EACA,KAAA,EACA,SAAA,MACA,MAAA,EACA,QAAA,KANJ,kDAUI,cAAA,mBAIJ,kDAEI,SAAA,Q/DrUN,yB+D+SE,kDAEI,OAAA,EAIJ,8CAEI,OAAA,EACA,KAAA,EACA,SAAA,MACA,MAAA,EACA,QAAA,KANJ,kDAUI,cAAA,mBAIJ,kDAEI,SAAA,Q/DrUN,yB+D+...

    public boolean isPrettyPrintSuppressed() {
        return false;
    }

    @Override
    public JsonMappingOption provideMappingOption() {
        return new JsonMappingOption().asFieldNaming(JsonFieldNaming.CAMEL_TO_LOWER_SNAKE);
    }

        return source;
    }

    protected Map<String, Object> toLowerHyphen(final Map<String, Object> source) {
        return source.entrySet().stream()
                .collect(Collectors.toMap(e -> CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, e.getKey()), e -> {
                    final Object value = e.getValue();
                    if (value instanceof Map) {
                        @SuppressWarnings("unchecked")

AAA,WACE,IAAIC,GAAqB,EACrBC,GAAiB,EACf/B,EAActF,EAAEF,KAAKsF,UAAUU,QACnCkB,GACA,GAEF,GAAI1B,EAAa,CACf,IAAMgC,EAAQxH,KAAKsF,SAASnE,cAAc+F,GAE1C,GAAIM,EAAO,CACT,GAAmB,UAAfA,EAAMC,KACR,GAAID,EAAME,SACR1H,KAAKsF,SAASqC,UAAUC,SAASxC,GACjCkC,GAAqB,MAChB,CACL,IAAMO,EAAgBrC,EAAYrE,cAAc+F,GAE5CW,GACF3H,EAAE2H,GAAe3B,YAAYd,GAKnC,GAAIkC,EAAoB,CACtB,GAAIE,EAAMM,aAAa,aACrBtC,EAAYsC,aAAa,aACzBN,EAAMG,UAAUC,SAAS,aACzBpC,EAAYmC,UAAUC,SAAS,YAC/B,OAEFJ,EAAME,SAAW1H,KAAKsF,SAASqC,UAAUC,SAASxC,GAClDlF,EAAEsH,GAAOzF...

#         ; freeGenList = list:{ [env or config or label or message or html] }
#         ; propertiesHtmlList = list:{ [env or config or label or message] }
#     }
#     ; appMap = map:{
#         ; [application name, camel case, initial uncapitalised] = map:{
#             ; path = [relative path to application project from DBFlute client]
#             ; freeGenList = list:{ [env or config or label or message or html] }

        }
        String keyStr = key.toString();
        if (keyStr.indexOf('_') < 0) {
            keyStr = CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, StringUtils.uncapitalize(keyStr));
        } else {
            keyStr = CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, keyStr);
        }
        return keyStr;
    }

    @Override
    public int size() {
        return parent.size();
    }