hb_map_get_user_data (hb_map_t           *map,
		      hb_user_data_key_t *key)
{
  return hb_object_get_user_data (map, key);
}
hb_map_get_user_data (hb_map_t           *map,
		      hb_user_data_key_t *key)
{
  return hb_object_get_user_data (map, key);
}