# Oasis > Oasis is a block logging and rollback plugin for Paper, built on the Packs storage engine. It also has a Java API that other plugins use. The documentation for the Java API is under `/docs/api/`. Every page has a Markdown copy at its URL with `.md` added, for example `/docs/reference/commands.md`. ## Documentation Sets - [Abridged documentation](https://oasis-protection.com/llms-small.txt): a compact version of the documentation for Oasis, with non-essential content removed - [Complete documentation](https://oasis-protection.com/llms-full.txt): the full documentation for Oasis - [API](https://oasis-protection.com/_llms-txt/api.txt): The Java API for plugins: logging edits, reading history, running rollbacks, purging history, and loading the worlds a plugin keeps ## Notes - The complete documentation includes all content from the official documentation - The content is automatically generated from the same source as the official documentation