class JsonOptionListAttributeConverter implements AttributeConverter<List<ParamDefine.Option>, String> {

    @Override
    public String convertToDatabaseColumn(List<ParamDefine.Option> attribute) {
        return JsonUtil.toJson(attribute);
    }

    @Override
    public List<ParamDefine.Option> convertToEntityAttribute(String dbData) {<FILL_FUNCTION_BODY>}
}

        TypeReference<List<ParamDefine.Option>> typeReference = new TypeReference<>() {};
        return JsonUtil.fromJson(dbData, typeReference);
    
<no_super_class>