/**
 * 延迟一定毫秒
 */
export declare const sleep: (ms?: number) => Promise<unknown>;
/**
 * https://developer.mozilla.org/zh-CN/docs/Web/API/Window/requestIdleCallback
 *
 */
export declare const requestIdle: (timeout?: number) => Promise<unknown>;
/**
 * 超时
 */
export declare const timeout: (ms?: number) => Promise<unknown>;
