/// <reference types="node" />
import * as JSZip from 'jszip';
import Base from '../core/base';
import { Workbook } from '../core/workbook';
interface ZipperOptions {
    path: string;
    workbook: Workbook;
    filename?: string;
}
/**
 * @description Zipper for .xmind file
 */
export declare class Zipper extends Base {
    zip: JSZip;
    manifest: any;
    filename: string;
    path: string;
    workbook: Workbook;
    constructor(options: ZipperOptions);
    target(): any;
    /**
     * @description Saving zip file
     * @return { Promise }
     */
    save(): Promise<any>;
    /**
     * @description Update manifest metadata
     * @param { String } key - a string key
     * @param { Buffer } content - file contents
     * @return { Zipper }
     */
    updateManifestMetadata(key: string, content: Buffer): this;
    /**
     * @description add contents to metadata.json file
     *
     */
    private addMetadataContents;
    /**
     * @description add contents to manifest.json
     */
    private addManifestContents;
    /**
     * @description add contents to content.json
     */
    private addJSONContent;
    /**
     * @description add contents to content.xml
     */
    private addXMLContent;
}
export {};