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• I have tried restarting my IDE and the issue persists.
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Issue Description

Sigh This is supposed to be a simple reproduction, but the playground cannot treat the current file as a.d.ts file, so I have to provide a repo.

Reproduction Repository Link

https://github.com/Josh-Cena/ts-eslint-repro

Repro Steps

1. clone the repo
2. yarn install
3. Go toindex.d.ts -> see that theexport {} is flagged
4. Comment it out, and go toanother-file.d.ts -> see that I'm able to import a non-exported type.

The reason is because.d.ts files with only type exports are still seen as scripts. (microsoft/TypeScript#38592) However, when I'm developing a utility type library, I don't really want to use.ts files that only export types—using.d.ts files makes sure the file only contains typedefs, and do not need to be compiled.

I expect the rule to not report empty exports in a.d.ts file with only type import/exports.

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