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This took me way too long to figure out…

If your #js function takes a parameter object and uses spread syntax to collect arbitrary additional properties (rest) and you want to document it using #JSDoc, the syntax is:

[p:string]:any

e.g.,

```js
/**
@param {{
state: import('./SetupState.script.js').default,
[p:string]:any
}} parameterObject
@returns {string|string[]} html
*/
export default ({state, ...props}) => html`…`
```

Solution by Alexander Lonberg https://stackoverflow.com/a/68567492