import Name ( Name, nameOccName, nameModule_maybe, getOccName, nameSrcSpan )
import OccName ( occEnvElts )
import NameSet
-import UniqFM
+import LazyUniqFM
import RdrName ( RdrName, GlobalRdrElt(..), Provenance(..),
extendLocalRdrEnv, lookupLocalRdrEnv, hideSomeUnquals,
mkRdrUnqual, nameRdrName, gre_name, globalRdrEnvElts, isLocalGRE )