/**
 * Node's promisify function, but with better type safety for functions with more than 5 arguments.
 *
 * @param fn The function to promisify.
 *
 * @returns A function that returns a promise.
 */
export declare function typedPromisify<TArguments extends unknown[], TResult>(fn: (...args: [...TArguments, (err: Error | null, result?: TResult) => void]) => void): (...args: TArguments) => Promise<TResult>;