public LinkedHashMap<String, Boolean> addKeysValue(LinkedList<String> keys, Object value) throws IOException {
        int keyIndex = keys.size()-1;
        HashMap<String, Object> nestedMap = new HashMap<>();
        HashMap<String, Object> finalMap = new HashMap<>();
        nestedMap.put(keys.get(keyIndex), value);
        keyIndex--;
        boolean firstLoop = true;
        while (keyIndex > 0) {
            if (firstLoop) {
                firstLoop = false;
                finalMap = new HashMap<>();
                finalMap.put(keys.get(keyIndex), nestedMap);
            } else {
                HashMap<String, Object> tempMap = new HashMap<>();
                tempMap.put(keys.get(keyIndex), finalMap);
                finalMap = tempMap;
            }
            keyIndex--;
        }
        synchronized (HASHMAP_LOCK_OBJECT){
            DATA.put(keys.get(0), finalMap);
        }
        dumpOnModification(DATA);
        return null;
    }