docs: @SuppressWarnings("unchecked")
  	public static <K, V> Map<K, V> getAny(Map<K, V> map, final K... keys) {
  		return filter(map, new Filter<Entry<K, V>>() {
  
  			@Override
  			public boolean accept(Entry<K, V> entry) {
  				return ArrayUtil.contains(keys, entry.getKey());
  			}
  		});
  	}