public static void Exit()

in Build/Tools.cs [136:173]
36 lines of code
5 McCabe index (conditional complexity)

    public static void Exit()
    {
        if (!Tools.UnderTeamCity)
        {
            var foregroundColor = Console.ForegroundColor;
            try
            {
                Console.ForegroundColor = ConsoleColor.Yellow;
                var timeout = TimeSpan.FromSeconds(10);
                var period = TimeSpan.FromMilliseconds(10);
                while (timeout > period)
                {
                    if (Console.KeyAvailable)
                    {
                        if (Console.ReadKey(true).Key == ConsoleKey.Y)
                        {
                            return;
                        }
                        else
                        {
                            break;
                        }
                    }

                    Thread.Sleep(period);
                    timeout -= period;
                    Console.SetCursorPosition(0, Console.CursorTop);
                    Console.Write($"Continue this build? {(int)timeout.TotalSeconds:00} y/n");
                }
            }
            finally
            {
                Console.ForegroundColor = foregroundColor;
            }
        }
        
        Environment.Exit(1);
    }