public static boolean isNodeKeyExists(@NonNull final List<NodeKey> keys, final int index) {
        for (NodeKey key : keys) {
            if (key.getIndex() == index) {
                return true;
            }
        }
        return false;
    }
Formats the timestamp

@param timestamp timestamp
mesh/src/main/java/no/nordicsemi/android/mesh/utils/MeshParserUtils.java