import { Observable } from 'rxjs';

/**
 * Stores every emitted value in localStorage, starts with the stored value if
 * one exists, and shares the replay of all of this.
 * @param cacheKey Key used in localStorage
 */
declare const tbxShareAndCache: (cacheKey: string) => <T>(source: Observable<T>) => Observable<T>;

/**
 * Repeats underlying observable on a timer.
 * @param interval Number of milliseconds to wait for refresh.
 * @param delay Number of milliseconds to wait before emitting the first value.
 */
declare const tbxKeepFresh: (interval: number, delay?: number) => <T>(source: Observable<T>) => Observable<T>;

export { tbxKeepFresh, tbxShareAndCache };