/// <reference types="node" />
import JSZip from 'jszip';
import Db from './database';
import type Deck from './deck';
import Media from './media';
export default class Package {
    db: Db;
    zip: JSZip;
    decks: Deck[];
    medias: Media[];
    constructor(decks: Deck[] | Deck, medias?: Media[]);
    private _initSql;
    private _writeToDatabase;
    writeToFile(options?: any): Promise<string | Uint8Array | number[] | ArrayBuffer | Blob | Buffer>;
}