ParallelGatewaySenderImpl extends AbstractRemoteGatewaySender { @Override public void startWithCleanQueue() { this.start(true); } ParallelGatewaySenderImpl(InternalCache cache, StatisticsClock statisticsClock,
      GatewaySenderAttributes attrs); @Override void start(); @Override void startWithCleanQueue(); @Override void stop(); @Override String toString(); @Override void fillInProfile(Profile profile); @Override void setModifiedEventId(EntryEventImpl clonedEvent);  }
@Test public void testStartWithCleanQueue() { gatewaysender.startWithCleanQueue(); RegionQueue queue = gatewaysender.getQueue(); assertTrue(((ConcurrentParallelGatewaySenderQueue) queue).getCleanQueues()); }