class Toaster $\{$

private:

Timer itsTimer;

Heater itsHeater; Carriage itsCarriage; ShadeDial itsShadeDial; void endToasting$()$;

int computeToastingTime$($int shade$)$; public:

void toast$($toastingElementType& element$)$; void cancel$()$;

void selectShade $($int d$)$;

$\}$; c$++$ code