/**
 * Returns a stateful value synchronized with sessionStorage, and a function to update it.
 *
 * @param {string} key sessionStorage key
 * @param {*} initialState Initial state
 */
export default function useSessionStorage<T = unknown>(key: string, initialState?: T | (() => T)): [T, (nextValueOrFunction: T | ((value: T) => T)) => void];