/// <reference types="node" />
export declare class Pages {
    pages: {
        title: string;
        url: string;
    }[];
    /**
     * @param {{title: string; url: string}[]} pages Pages of the manga chapter
     */
    constructor(pages: {
        title: string;
        url: string;
    }[]);
    /**
     * Downloads the pages of the manga chapter and saves it in a folder
     * @param {string} folderName Name of the folder to save the the downloaded chapter pages
     * @returns {Promise<void>}
     */
    download(folderName: string): Promise<void>;
    /**
     * Builds the PDF of the chapter pages
     * @param {string | undefined} filename Filename of the PDF
     * @returns {Promise<Buffer>} A Buffer of the PDF
     */
    PDF(): Promise<Buffer>;
    /**
     * Builds the PDF of the chapter pages
     * @param {string} filename Filename of the PDF
     * @returns {Promise<Buffer>} Filename of the PDF
     */
    PDF(filename: string): Promise<string>;
}