import { CancellationToken } from '../cancellation';
import { CancelablePromise } from './cancelable';
export declare function timeout(millis: number): CancelablePromise<void>;
export declare function timeout(millis: number, token: CancellationToken): Promise<void>;
export declare function delay(millis: number): CancelablePromise<void>;
export declare function delay(millis: number, token: CancellationToken): Promise<void>;
export declare function clearableTimeout(handler: () => void, ms?: number): () => void;