import { Dispatch, SetStateAction } from 'react';
/**
 * Sync state to local storage so that it persists through a page refresh.
 * Usage is similar to useState except we pass in a local storage key so
 * that we can default to that value on page load instead of the specified initial value.
 */
export declare const useLocalStorage: <T>(key: string, initialValue?: T | undefined) => [T, Dispatch<SetStateAction<T>>];