import { Observable } from 'rxjs';
/** An async result exposes the error state of an async value */
export declare class AsyncResult<T> extends Observable<T> {
    /** The error from the source observable */
    readonly error: Observable<any>;
    /** True while the source has not emitted an event yet or completed or errored */
    readonly loading: Observable<boolean>;
    /** True while the source has not completed or errored */
    readonly complete: Observable<boolean>;
    constructor(source: Observable<T>);
    /** Short hand to create an async result */
    static from<T>(source: Observable<T>): AsyncResult<T>;
}