# Page Not Found

The URL `docs/types/discriminated-unions.html` does not exist.

You might be looking for one of these pages:
- [Discriminated Unions](https://basarat.gitbook.io/typescript/type-system/discriminated-unions.md)
- [@types](https://basarat.gitbook.io/typescript/type-system/types.md)
- [Declaration Spaces](https://basarat.gitbook.io/typescript/project/declarationspaces.md)
- [Binder Functions](https://basarat.gitbook.io/typescript/overview/binder/binder-functions.md)
- [Emitter Functions](https://basarat.gitbook.io/typescript/overview/emitter/emitter-functions.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://basarat.gitbook.io/typescript/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://basarat.gitbook.io/typescript/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/typescript/type-system/discriminated-unions.md`)
- Use `Accept: text/markdown` header for content negotiation