import { useLayoutEffect } from 'react';
/**
 * It's `true` if it is running in a browser environment or `false` if it is not
 * (SSR).
 * @example
 * const title = canUseDOM ? document.title : "";
 */
export declare const canUseDOM: boolean;
/**
 * `React.useLayoutEffect` that fallbacks to `React.useEffect` on server side.
 */
export declare const useSafeLayoutEffect: typeof useLayoutEffect;