export {}
declare global {
  const van:{
    readonly state: <T>(initVal: T)=> Van.State<T>
    readonly derive: <T>(f: () => T) => Van.State<T>
    readonly add: (dom: Element, ...children: readonly Van.ChildDom[]) => Element
    readonly tags: Van.Tags & ((namespaceURI: string) => Readonly<Record<string, Van.TagFunc<Element>>>)
    readonly hydrate: <T extends Node>(dom: T, f: (dom: T) => T | null | undefined) => T
  }
}