"application/vnd.marlin.drm.license+xml",
				"application/vnd.marlin.drm.mdcf",
				"application/vnd.mcd",
				"application/vnd.medcalcdata",
				"application/vnd.mediastation.cdkey",
				"application/vnd.meridian-slingshot",
				"application/vnd.mfer",
				"application/vnd.mfmp",
				"application/vnd.micrografx.flo",
				"application/vnd.micrografx.igx",
				"application/vnd.mif",

            final Map<String, Object> requestBody = new HashMap<>(updateMap);
            requestBody.put("version_no", 1);
            final String idKey = getIdKey();
            if (setting.containsKey(idKey)) {
                requestBody.put(idKey, setting.get(idKey));
            }
            for (String key : keySet) {
                if (!requestBody.containsKey(key)) {

    }

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

        docMap.put("c_key", "value_c");
        docMap.put("a_key", "value_a");
        docMap.put("lang", "en");
        docMap.put("b_key", "value_b");

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