pkg

type Package struct {

	// installed revisions of this package
	Revisions sets.Set[pkgid.PackageID]
	// packages that have a dependency with this package, we store per revision
	// now we can argue if this is right but it is probably the easiest and
	// we can optimize cornercases afterwards
	OwnerRefs sets.Set[pkgid.PackageID]
	// contains filtered or unexported fields
}