public async Task <bool> DownloadMangaWithSpecifyFolderAsync(Manga manga, List <Chapter> chapters)
        {
            var download = new DownloadManga(this);

            return(await download.DownloadMangaWithSpecifyFolderAsync(manga, chapters));
        }
        public async Task <bool> DownloadMangaWithSpecifyFolderAsync(Manga manga)
        {
            var download = new DownloadManga(this);

            return(await download.DownloadMangaWithSpecifyFolderAsync(manga));
        }