import { Cacher } from '../types/Cacher';
import { Options } from '../types/Options';
export declare const defaultCacheFilename = ".ncu-cache.json";
export declare const defaultCacheFile: string;
export declare const resolvedDefaultCacheFile: string;
/**
 * The cacher stores key (name + version) - value (new version) pairs
 * for quick updates across `ncu` calls.
 *
 * @returns
 */
export default function getCacher(options: Omit<Options, 'cacher'>): Promise<Cacher | undefined>;
