import { Func, SupplierPromise } from "./types";
/**
 * Creates a function that executes a `supplier` after waiting the `duration` in milliseconds and returns a
 * {@link Promise} of the result.
 *
 * @param {number} duration - Duration of time in milliseconds to wait before execution.
 * @returns {Func<SupplierPromise<T>, Promise<T>>} A function that takes a supplier and returns a promise of the result
 * after waiting the `duration`.
 */
export declare function defer<T>(duration: number): Func<SupplierPromise<T>, Promise<T>>;