mkTupleTyCon, mkAlgTyCon, tyConName
)
-import BasicTypes ( Arity, RecFlag(..), Boxity(..), isBoxed, StrictnessMark(..) )
+import BasicTypes ( Arity, RecFlag(..), Boxity(..), isBoxed )
import Type ( Type, mkTyConTy, mkTyConApp, mkTyVarTy, mkTyVarTys,
mkArrowKinds, liftedTypeKind, unliftedTypeKind,