public void handleMarker() {
    RegionEventImpl event = new RegionEventImpl(this, Operation.MARKER, null, false, getMyId(),
        false /* generate EventID */);

    dispatchListenerEvent(EnumListenerEvent.AFTER_REGION_LIVE, event);
  }
Returns true if the ExpiryTask is currently allowed to expire.
geode-core/src/main/java/org/apache/geode/internal/cache/LocalRegion.java