/// <summary>
		/// Gets the player rank.
		/// </summary>
		/// <param name='leaderboard'>
		/// Leaderboard.
		/// </param>
		/// <param name='player'>
		/// Player.
		/// </param>
		/// <param name='rankReceived'>
		/// Rank received.
		/// </param>
		/// <exception cref='NotImplementedException'>
		/// Is thrown when a requested operation is not implemented for a given type.
		/// </exception>
		public void GetPlayerRank(SGNLeaderboard leaderboard, SGNPlayer player, Action<int> rankReceived)
		{
			throw new NotImplementedException();
		}
		/// <summary>
		/// Updates the leaderboard.
		/// </summary>
		/// <param name='leaderboard'>
		/// Leaderboard.
		/// </param>
		/// <exception cref='NotImplementedException'>
		/// Is thrown when a requested operation is not implemented for a given type.
		/// </exception>
		public void UpdateLeaderboard (SGNLeaderboard leaderboard)
		{
			throw new NotImplementedException ();
		}