Prerequisites

• I've read the relevant documentation
• I've searched for existing issues
• I've read the issue reproduction guide

Reproduction url

https://github.com/abrahamguo/repro/tree/knip-fn

Reproduction access

• I've made sure the reproduction is publicly accessible

Good version

6.12.0

Bad version

6.12.1

Description of the regression

lib.ts:

export type T = 0;
export const f = () => {
	let _: T;
};

entry.ts:

import { f } from './lib.ts';

T is unused, but Knip no longer reports it.