ESLint Method Signature Style


```type{  "rules": {   "@typescript-eslint/method-signature-style": "error"  }}```



> [Untitled](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/method-signature-style.md)

> [공변성이란 무엇인가 / seob.dev](https://seob.dev/posts/%EA%B3%B5%EB%B3%80%EC%84%B1%EC%9D%B4%EB%9E%80-%EB%AC%B4%EC%97%87%EC%9D%B8%EA%B0%80/)






