import IUrlFetcher from './IUrlFetcher';
export declare const REQUEST_CACHE_DIR = "/tmp/dockter-request-cache";
/**
 * The default URL fetcher that Dockter uses. Fetches using `got` and caches results using `persist`
 */
export default class CachingUrlFetcher implements IUrlFetcher {
    /**
     * Fetch a URL using `got`, attempting to retrieve it from cache first.
     */
    fetchUrl(url: string, options?: any): Promise<any>;
    /**
     *  Try to get a result from the `persist` cache. This method with initialise the `persist` cache if it has not been
     *  set up.
     */
    static getFromCache(url: string): Promise<any>;
    /**
     * Set a value (URL response body, usually) to the `persist` cache.
     */
    static setToCache(url: string, value: any): Promise<void>;
}