How can i use advanced api of `useTransition` in Typescript?

## 🤓 Question


How can i replay `MessageHub` case in Typescript? Its looks like type of this API is not completed.

type definition provider in v8 is not support async config like 
```javascript
enter: item => async next => await next({ opacity: 1, height: refMap.get(item).offsetHeight }),
```

https://codesandbox.io/s/messagehub-in-typescript-1pkg7