import CacheItem from './CacheItem';
type Data = Map<string, CacheItem>;
export default class Cache {
    private file;
    private data;
    constructor(dir: string);
    add: (id: string, data: CacheItem["data"]) => Data;
    remove: (id: string) => boolean;
    get: (id: string) => CacheItem | undefined;
    has: (id: string) => boolean;
    persist: () => void;
}
export {};