This can't be tapped on vanilla Homebrew/brew because things like e.g.
`GlibcRequirement` are missing. We will put this back when the Linuxbrew
to Homebrew migration is complete.
This is the (partially) documented public API for Homebrew.
The main class you should look at is the {Formula} class (and classes linked from there). That's the class that's used to create Homebrew formulae (i.e. package descriptions). Assume anything else you stumble upon is private.