GHC.PackageDb
data InstalledPackageInfo compid srcpkgid srcpkgname instunitid unitid modulename mod
data DbModule instunitid compid unitid modulename mod
data DbUnitId instunitid compid unitid modulename mod
class BinaryStringRep a
class DbUnitIdModuleRep instunitid compid unitid modulename mod
data PackageDbLock
data DbMode
data DbOpenMode mode t