The relevant code in the repo: https://github.com/BenjaminAster/TypeScript-types-for-new-JavaScript/blob/527b218ec0f74bd128ec07f99b39ceafe585c22b/wicg/ua-client-hints.d.ts#L50 MDN issue with more details: https://github.com/mdn/content/issues/40181.
The relevant code in the repo:
TypeScript-types-for-new-JavaScript/wicg/ua-client-hints.d.ts
Line 50 in 527b218
MDN issue with more details: mdn/content#40181.