import { AsyncIterableX } from './asynciterablex';
export interface NodeEventEmitter {
    addListener(event: string | symbol, listener: (...args: any[]) => void): this;
    removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
}
export declare type EventListenerOptions = {
    capture?: boolean;
    passive?: boolean;
    once?: boolean;
} | boolean;
export declare type EventedTarget = EventTarget | NodeEventEmitter;
export declare function fromEvent<TSource>(obj: EventedTarget, type: string, options?: EventListenerOptions): AsyncIterableX<TSource>;