/**
 * A hook that provides a way to persist state in localStorage.
 * Automatically syncs the state with localStorage and handles JSON serialization.
 *
 * @param key - The localStorage key
 * @param initialValue - The initial value if no value exists in localStorage
 * @returns A tuple with the current value and a function to update it
 *
 * @example
 * ```tsx
 * const [user, setUser] = useLocalStorage('user', { name: 'John', age: 30 })
 *
 * // Update the user
 * setUser({ name: 'Jane', age: 25 })
 *
 * // The value is automatically saved to localStorage
 * ```
 */
export declare function useLocalStorage<T>(key: string, initialValue: T): [T, (value: T | ((val: T) => T)) => void];
//# sourceMappingURL=useLocalStorage.d.ts.map