import { IObservable } from '../internal/Observable';
import { IObserver } from '../internal/Observer';
export declare function onResult<T>(observer: IObserver<T>, result: T): void;
export declare function onError<T>(observer: IObserver<T>, error: Error): void;
export declare function subscriberFunction<T>(f: () => Promise<T>, observer: IObserver<T>): void;
export declare function fromPromise<T>(f: () => Promise<T>): IObservable<T>;