ThrottledEvent 
Throttled event
Has the same api as AbstractEvent
constructor 
ts
function constructor(timeout: number): ThrottledEvent<T>;Example:
ts
const $m = new SvitoreModule();
const changeCount = $m.ThrottledEvent<number>(300);
changeCount.subscribe(console.log);
changeCount.dispatch(10); // log: 10
changeCount.dispatch(10); // not logged
await wait(301);
changeCount.dispatch(10); // log: 10 (because 300ms passed between calls)