void IGameServerListener <ServerPlayer> .GameServerPlayerDidDisconnect(ServerPlayer player) => disconnectedPlayers.Add(player);
void IGameServerListener <ServerPlayer> .GameServerDidReceiveClientMessage(MessageContainer container, ServerPlayer player) => Assert.NotNull(player);
void IGameServerListener <ServerPlayer> .GameServerPlayerDidConnect(ServerPlayer player, Channel _) => connectedPlayers.Add(player);