import TcTyDecls ( tcTyDecl, mkDataBinds )
import Bag
-import Class ( Class(..), classSelIds )
+import Class ( SYN_IE(Class), classSelIds )
import Digraph ( findSCCs, SCC(..) )
import Name ( getSrcLoc )
import PprStyle
import Pretty
-import UniqSet ( UniqSet(..), emptyUniqSet,
+import UniqSet ( SYN_IE(UniqSet), emptyUniqSet,
unitUniqSet, unionUniqSets,
unionManyUniqSets, uniqSetToList )
import SrcLoc ( SrcLoc )