/**
 * Copies source file to destination folder in chunks, reports incremental progress, and returns md5
 * @param source filepath
 * @param dest folder to copy to
 * @param onProgress optional callback that gets called every ~20 seconds.
 * @param throttleMs minimum milliseconds between each onProgress call
 */
declare const copyAndGetMD5: (source: string, dest: string, onProgress?: (progress: number) => void, throttleMs?: number) => Promise<string>;
export default copyAndGetMD5;