import Data.Bits ( Bits(..) )
import Data.Int ( Int8, Int16, Int32, Int64 )
import Data.Word ( Word8, Word16, Word32, Word64 )
-import {-# SOURCE #-} Data.Typeable
+import {-# SOURCE #-} Data.Typeable (Typeable(typeOf), TyCon, mkTyCon, mkTyConApp)
#ifdef __GLASGOW_HASKELL__
import GHC.Base