///
///
module Rx {
export interface Observable {
/**
* Returns an Observable that emits only the first item emitted by the source Observable during sequential time windows of a specified duration.
* @param {Number} windowDuration time to wait before emitting another item after emitting the last item
* @param {Scheduler} [scheduler] the Scheduler to use internally to manage the timers that handle timeout for each item. If not provided, defaults to Scheduler.timeout.
* @returns {Observable} An Observable that performs the throttle operation.
*/
throttle(windowDuration: number, scheduler?: IScheduler): Observable;
}
}
(function () {
var o: Rx.Observable;
o.throttle(100);
o.throttle(100, Rx.Scheduler.async);
});