class CollectionsExt {

    @SafeVarargs
    public static <T> boolean containsAnyKeys(Map<T, ?> map, T... keys) {
        if (map == null) {
            return false;
        }

        for (T key : keys) {
            if (map.containsKey(key)) {
                return true;
            }
        }
        return false;
    }

    private  CollectionsExt();

}