# `@typescript-eslint/visitor-keys` > Visitor keys used to help traverse the TypeScript-ESTree AST. ## ✋ Internal Package This is an _internal package_ to the [typescript-eslint monorepo](https://github.com/typescript-eslint/typescript-eslint). You likely don't want to use it directly. 👉 See **https://typescript-eslint.io** for docs on typescript-eslint.