List<EventID> getDispatchedEventsFromPrimary(InternalDistributedMember primary,
      InternalCache cache, List<EventID> chunkEvents) {
    return QueueSynchronizationProcessor.getDispatchedEvents(cache.getDistributionManager(),
        primary, regionName, chunkEvents);
  }
expiry time for ThreadIdentifiers. In seconds.
geode-core/src/main/java/org/apache/geode/internal/cache/ha/HARegionQueue.java