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 have searched for related issues and found none that matched my issue.
• I have read 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

class Base {
  isHidden: boolean = true;
  sibling: Base | null = null;
  f(): Base | null {
    if (!this.isHidden) {
      return this;
    }
    return this.sibling;
  }
}

class Second {
  isHidden: boolean = true;
  sibling: Second | null = null;
  f(): this | null {
    if (!this.isHidden) {
      return this;
    }
    return this.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