33345. Dynamic Route

Given below routes, infer its dynamic params.

Route	Params Type Definition
/blog/[slug]/page.js	{ slug: string }
/shop/[...slug]/page.js	{ slug: string[] }
/shop/[[...slug]]/page.js	{ slug?: string[] }
/[categoryId]/[itemId]/page.js	{ categoryId: string, itemId: string }
/app/[...foo]/[...bar]	never - It's ambiguous as we cannot decide if b on /app/a/b/c is belongs to foo or bar.
/[[...foo]]/[slug]/[...bar]	never
/[first]/[[...foo]]/stub/[...bar]/[last]	{ first: string, foo?: string[], bar: string[], last: string }