import { type AnyDuration } from '@date-vir/duration';
/**
 * An async pause for the given duration.
 *
 * @category Promise
 * @category Package : @augment-vir/common
 * @package [`@augment-vir/common`](https://www.npmjs.com/package/@augment-vir/common)
 * @see
 * - {@link waitValue} : return a value after the wait finishes.
 */
export declare function wait(duration: Readonly<AnyDuration>): Promise<void>;
/**
 * An async pause for the given duration that then returns the given `value`.
 *
 * @category Promise
 * @category Package : @augment-vir/common
 * @package [`@augment-vir/common`](https://www.npmjs.com/package/@augment-vir/common)
 * @see
 * - {@link wait} : plain wait.
 */
export declare function waitValue<Value>(duration: Readonly<AnyDuration>, value: Value): Promise<Value>;