1200                    DeclContext *NS, UnqualUsingDirectiveSet &UDirs) {  in CppNamespaceLookup()  argument
1209   for (const UnqualUsingEntry &UUE : UDirs.getNamespacesFor(NS))  in CppNamespaceLookup()
1295   UnqualUsingDirectiveSet UDirs(*this);  in CppLookupName()  local
1393               UDirs.visit(UCtx, UCtx);  in CppLookupName()
1402             UDirs.visitScopeChain(Initial, InnermostFileScope);  in CppLookupName()
1404             UDirs.done();  in CppLookupName()
1409           if (CppNamespaceLookup(*this, R, Context, Ctx, UDirs)) {  in CppLookupName()
1443     UDirs.visitScopeChain(Initial, S);  in CppLookupName()
1444     UDirs.done();  in CppLookupName()
1493           if (CppNamespaceLookup(*this, R, Context, Ctx, UDirs))  in CppLookupName()
4060     UnqualUsingDirectiveSet UDirs(SemaRef);  in lookupVisibleDecls()  local
4066       UDirs.visitScopeChain(Initial, S);  in lookupVisibleDecls()
4068     UDirs.done();  in lookupVisibleDecls()
4076     lookupInScope(Initial, Result, UDirs);  in lookupVisibleDecls()
4285                      UnqualUsingDirectiveSet &UDirs) {  in lookupInScope()  argument
4362       for (const UnqualUsingEntry &UUE : UDirs.getNamespacesFor(Entity))  in lookupInScope()
4371     lookupInScope(S->getParent(), Result, UDirs);  in lookupInScope()