While configuring my Neovim configuration for Java, I had to enter into details of how mason.nvim works, specifically how it maintains the list of packages and how do they download the required executables.
This is how I reached the package URL spec repo, which is an effort to standardize package URLs:
A minimal specification and implementation of purl aka. a Package "mostly universal" URL.
Basically, a URL that should uniquely identify a package in their distribution system:
scheme:type/namespace/name@version?qualifiers#subpath
An example for a Maven package is:
pkg:maven/com.puppycrawl.tools/checkstyle@10.12.1?type=jar
Github releases:
pkg:github/checkstyle/checkstyle@checkstyle-10.12.1
This is extremely useful when working with generic implementations that rely on external tools such as linters, formatters, LSPs or the like in the context of a text editor.