Before You File a Bug Report Please Confirm You Have Done The Following...

• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I havesearched for related issues and found none that matched my issue.
• I haveread the FAQ and my problem is not listed.

Playground Link

https://typescript-eslint.io/play/#ts=5.8.2&fileType=.tsx&code=MYGwhgzhAEBCkFNoG8BQ1oEsIAlMBN8EA7ALmgCMB7KkBMY6AXmgBcAnAVwQG51oImCiEzEA5uXgQkAH2jFOIEM3mKQfDADMAFAEpJiaHIVKU-DJk3RtAQlYALbADpseQiV1mM36OwStOdkYHbA1vAF9zX39A4McIJ0FhUTEwyMjUUEgYAGUEYCpifC8sXAIiMkoaOgYVDm4wpJFxcjyCoqNVUxYTdX4dfTZ4zt6SiytbEITXco8x7z8AoKHQqMifRdiVhKaUtNRwoA&eslintrc=N4KABGBEBOCuA2BTAzpAXGUEKQAIBcBPABxQGNoBLY-AWhXkoDt8B6Y6RAM0Wls-yxoTWvgAWlZKJKJ0UXtAD20SODABfEOqA&tsconfig=N4KABGBEDGD2C2AHAlgGwKYCcDyiAuysAdgM6QBcYoEEkJemy0eAcgK6qoDCAFutAGsylBm3TgwAXxCSgA&tokens=false

Repro Code

classBase{isHidden:boolean=true;sibling:Base|null=null;f():Base|null{if(!this.isHidden){returnthis;}returnthis.sibling;}}classSecond{isHidden:boolean=true;sibling:Second|null=null;f(): this|null{if(!this.isHidden){returnthis;}returnthis.sibling;}}

ESLint Config

module.exports={parser:"@typescript-eslint/parser",rules:{"@typescript-eslint/prefer-return-this-type":"error"},};

tsconfig

{"compilerOptions": {// ...  }}

Expected Result

The code is marked as valid

Actual Result

EsLint report an error, after fixer is applied TypeScript shows an error.

Additional Info

No response