Facebook.Persistent

This package is meant to be imported as

import Facebook.Persistent ()

because it doesn't export any symbols. However, it exports the following orphan instances:

instance PersistField Action          -- since 0.1
instance PersistField Id              -- since 0.1.2
instance PersistField AppAccessToken  -- since 0.1.3
instance PersistField UserAccessToken -- since 0.1.3