/// <reference types="node" />
/**
 * Promiser - A function that returns a promise.
 */
export type Promiser<T> = () => PromiseLike<T>;
/**
 * Resolve a promise after a timeout.
 */
export declare const timeout: typeof setTimeout.__promisify__;
/**
 * Run each of the promise sequentially and return their results in the same order.
 *
 * @param {Promiser<T>[]} promisers
 * @returns {Promise<T[]>}
 */
export declare function runSequentially<T>(promisers: Promiser<T>[]): Promise<T[]>;