@SuppressWarnings("unchecked")
	public void copyAll(Map<? extends Boolean, ? extends V> m) {
		for (Entry<? extends Boolean, ? extends V> e : m.entrySet()) {
			if (e.getValue() instanceof Object[]) {
				Object[] arr = (Object[]) e.getValue();
				put(e.getKey(), (V) Arrays.copyOf(arr, arr.length));
			}
		}
	}