abs +haskell-src

HsEAbs :: HsQName -> HsExportSpec
haskell-src Language.Haskell.Syntax
T: a class or datatype exported abstractly, or a type synonym.
HsIAbs :: HsName -> HsImportSpec
haskell-src Language.Haskell.Syntax
T: the name of a class, datatype or type synonym.