import { Workbook } from '../core/workbook';
export interface DumperOptions {
    workbook: Workbook;
}
declare type FileContent = ArrayBuffer | File | Blob;
export interface FileCreator {
    /**
     * hint that should enter a folder-like structure, create one if not exists
     * @param name Folder name
     */
    folder(name: string): Promise<void>;
    /**
     * hint that a file-like object should be created with the `content`, overrides if exists
     * @param name Filename
     */
    file(name: string, content: FileContent): Promise<void>;
}
export declare class Dumper {
    protected options: DumperOptions;
    private workbook;
    private _manifest;
    constructor(options?: DumperOptions);
    /**
     * @description dumping an object that contains the pair of $filename: $value
     * @return {Array} Array<{filename: string, value: any}>
     */
    dumping(): any[];
    /**
     * @description Update manifest metadata
     * @param { string } key - a string key
     * @param { FileContent } content - file content
     * @param { FileCreator } creator - specify how to save the file
     * @return { Promise<void> } a promise that follows the promise returned by the method of `creator`, or rejects if the key is empty
     */
    updateManifestMetadata(key: string, content: FileContent, creator: FileCreator): Promise<void>;
    private wrap;
    /**
     * @description metadata.json
     *
     */
    get metadata(): {
        filename: string;
        value: any;
    };
    /**
     * @description manifest.json
     */
    get manifest(): {
        filename: string;
        value: any;
    };
    /**
     * @description content.json
     */
    get json(): {
        filename: string;
        value: any;
    };
    /**
     * @description content.xml
     */
    get xml(): {
        filename: string;
        value: any;
    };
}
export {};