import { IReadonlyEventTarget } from '../../../../../../misc/event-listener/types/readonly-event-target.type';
import { IObservable } from '../../../../../type/observable.type';
/**
 * Creates an Observable which emits events dispatched by 'target'
 */
export declare function fromEventTarget<GType extends string, GEvent extends Event>(target: IReadonlyEventTarget<Record<GType, GEvent>>, type: GType, options?: boolean | EventListenerOptions): IObservable<GEvent>;