/// <reference types="node" />
import Observable from "./Observable";
import { ChildProcess } from "child_process";
export declare function fromEvent<K extends keyof HTMLFrameSetElementEventMap>(target: Element | Window | Document, name: K, options?: AddEventListenerOptions): Observable<HTMLFrameSetElementEventMap[K]>;
export declare function fromPromise<T>(promise: Promise<T>): Observable<T>;
export declare function toPromise<T>(observer: Observable<T>): Promise<T[]>;
export declare function fromProcess(child: ChildProcess): Observable<any>;