104a105,106
>
> Tick getInterval();
114a117,119
> /** True after startup is called. */
> bool running;
>
123a129,131
> /** When to start ticking */
> Tick offset;
>
183a192,194
>
> /** Start ticking */
> void startup();
248a260,262
>
> /** Start ticking */
> void startup();