/**
 * Function for running a function until it completes successfully
 * with an optional delay between runs that gets progressively longer.
 *
 * Special Thanks to @MyBuilderTech
 * @see https://tech.mybuilder.com/handling-retries-and-back-off-attempts-with-javascript-promises/
 */
export default function backoff(retries: number, fn: () => any, delay?: number): Promise<unknown>;