/// <summary>
        /// Hides the given user's achievements.
        /// </summary>
        /// <param name="steamUserId">The steam user id.</param>
        /// <param name="achievementIds">The ids of the achievements to hide.</param>
        public bool HideAchievements(string steamUserId, IEnumerable <int> achievementIds)
        {
            _achievementManager.UpdateHidden(steamUserId, achievementIds);

            return(true);
        }
        /// <summary>
        /// Hides the given user's achievements.
        /// </summary>
        /// <param name="facebookUserId">The facebook user id.</param>
        /// <param name="achievementIds">The ids of the achievements to hide.</param>
        /// <returns></returns>
        public bool HideAchievements(long facebookUserId, IEnumerable <int> achievementIds)
        {
            _achievementManager.UpdateHidden(facebookUserId, achievementIds);

            return(true);
        }