declare module 'react'{export type FormEvent={preventDefault():void};export function useState<T>(initial:T):[T,(value:T|((previous:T)=>T))=>void];export function useEffect(effect:()=>void|(()=>void),deps?:unknown[]):void;export function useMemo<T>(factory:()=>T,deps:unknown[]):T;}
declare namespace JSX{interface IntrinsicElements{[elementName:string]:any}}