/**
 * Hook which synchronously executes a callback once the component has been mounted.
 *
 * `WARNING` This should only be used if you need to perform an action after the component has been mounted and
 * before the browser paints. useMountSync will trigger debug warnings in server-rendered scenarios and should be used
 * sparingly.
 *
 * @deprecated Consider to use React.useEffect() or React.useLayoutEffect() directly based on a use case
 *
 * @param callback - Function to call once the component has been mounted.
 */
export declare const useMountSync: (callback: () => void) => void;