checkQueriesLoop(clone.iterator(), ser).addResultListener(new DelegationResultListener<Void>(ret));
checkQueriesLoop(it, service).addResultListener(new DelegationResultListener<Void>(ret));
checkQueriesLoop(clone.iterator(), ser).addResultListener(new DelegationResultListener<Void>(ret));
checkQueriesLoop(it, service).addResultListener(new DelegationResultListener<Void>(ret));