isAlgTyCon, tyConArity, isSuperKindTyCon,
tcExpandTyCon_maybe, coreExpandTyCon_maybe,
tyConKind, PrimRep(..), tyConPrimRep, tyConUnique,
isAlgTyCon, tyConArity, isSuperKindTyCon,
tcExpandTyCon_maybe, coreExpandTyCon_maybe,
tyConKind, PrimRep(..), tyConPrimRep, tyConUnique,