How do I use this with TypeScript?

I can figure out the:

```
{
"compilerOptions": {
"jsx": "react",
"jsxFactory": "h",
},
}
```

But I can't figure out how to get the typings going for `h` and things like `children`,

Specifically the error I'm getting on any JSX element is:

> JSX element implicitly has type 'any' because no interface 'JSX.IntrinsicElements' exists.ts(7026)

No repository file or test is named. Start by reviewing the TypeScript compilerOptions shown in the issue and the JSX typing requirements behind the reported TS7026 error. Done means documenting or demonstrating how to configure typings for h, children, and JSX elements when using vhtml with TypeScript.

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