1216                                UnqualUsingDirectiveSet &UDirs) {  in CppNamespaceLookup()  argument
1225   for (const UnqualUsingEntry &UUE : UDirs.getNamespacesFor(NS))  in CppNamespaceLookup()
1323   UnqualUsingDirectiveSet UDirs(*this);  in CppLookupName()  local
1420               UDirs.visit(UCtx, UCtx);  in CppLookupName()
1429             UDirs.visitScopeChain(Initial, InnermostFileScope);  in CppLookupName()
1431             UDirs.done();  in CppLookupName()
1436           if (CppNamespaceLookup(*this, R, Context, Ctx, UDirs)) {  in CppLookupName()
1470     UDirs.visitScopeChain(Initial, S);  in CppLookupName()
1471     UDirs.done();  in CppLookupName()
1520           if (CppNamespaceLookup(*this, R, Context, Ctx, UDirs))  in CppLookupName()
4025     UnqualUsingDirectiveSet UDirs(SemaRef);  in lookupVisibleDecls()  local
4031       UDirs.visitScopeChain(Initial, S);  in lookupVisibleDecls()
4033     UDirs.done();  in lookupVisibleDecls()
4041     lookupInScope(Initial, Result, UDirs);  in lookupVisibleDecls()
4249                      UnqualUsingDirectiveSet &UDirs) {  in lookupInScope()  argument
4326       for (const UnqualUsingEntry &UUE : UDirs.getNamespacesFor(Entity))  in lookupInScope()
4335     lookupInScope(S->getParent(), Result, UDirs);  in lookupInScope()