import { IEmitOptions, ISubOptions, SubEvent, SubFunction, Subscription } from '../dist/src';
/**
 * Returns a new TimeoutEvent that triggers a fresh setTimeout on each subscribe,
 * and cancels the subscription after the timer event.
 *
 * And if the client cancels the subscription first, the event won't happen.
 */
export declare function fromTimeout(timeout?: number, options?: IEmitOptions): TimeoutEvent;
/**
 * Implements a timeout event, with automatically cancelled subscriptions.
 *
 * A new timeout is started for every fresh subscriber.
 */
export declare class TimeoutEvent extends SubEvent<void> {
    constructor(timeout?: number, options?: IEmitOptions);
    subscribe(cb: SubFunction<void>, options?: ISubOptions): Subscription;
}