public ReplicatedMapIterationService getIterationService() {
        return iterationService;
    }
@Test
    public void testCleanups_StaleIterators() {
        String name = randomMapName();
        for (int i = 0; i < 10000; i++) {
            hazelcastInstance.getReplicatedMap(name).put(i, i);
        }
        ReplicatedMapService service = getNodeEngineImpl(hazelcastInstance).getService(ReplicatedMapService.SERVICE_NAME);
        service.getIterationService().createIterator(name, 0, UuidUtil.newUnsecureUUID());
        assertThat(service.getIterationService().getIteratorManager().getKeySet()).hasSize(1);
        assertTrueEventually(() -> assertThat(service.getIterationService().getIteratorManager().getKeySet()).isEmpty());
    }