export interface IDownloadManager {
    /**
     * @param {Uint8Array} data
     * @param {string} filename
     * @param {string} [contentType]
     */
    downloadData(data: Uint8Array, filename: string, contentType?: string): void;
    /**
     * @param {Uint8Array} data
     * @param {string} filename
     * @param {string | null} [dest]
     * @returns {boolean} Indicating if the data was opened.
     */
    openOrDownloadData(data: Uint8Array, filename: string, dest?: string | null): boolean;
    /**
     * @param {Uint8Array} data
     * @param {string} url
     * @param {string} filename
     */
    download(data: Uint8Array, url: string, filename: string): void;
}