internal static extern void GKTurnBasedMatch_findMatchForRequest( /* InteropGKMatchRequest */ IntPtr requestPointer, SingleMatchCallback callback, IntPtr secondaryCallback);
internal static extern void GKTurnBasedMatch_rematch( HandleRef self, SingleMatchCallback callback, IntPtr secondaryCallback);
internal static extern void GKTurnBasedMatch_loadMatchWithID( string matchID, SingleMatchCallback callback, IntPtr secondaryCallback);