> For the complete documentation index, see [llms.txt](https://choubey.gitbook.io/internals-of-deno/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://choubey.gitbook.io/internals-of-deno/bridge/chapter-cover-page.md).

# 4.0 Cover page

<figure><img src="/files/9FKmsYKTAUn5uYOC6ywC" alt=""><figcaption></figcaption></figure>