docs: public void endInvalidatingRegion() {
  		synchronized (this) {
  			if (--regionInvalidations == 0) {
  				regionInvalidationTimestamp = timeSource.nextTimestamp();
  				if (trace) {
  					log.tracef("Finished invalidating region %s at %d", cache.getName(), regionInvalidationTimestamp);
  				}
  			}
  			else {
  				if (trace) {
  					log.tracef("Finished invalidating region %s, but there are %d ongoing invalidations", cache.getName(), regionInvalidations);
  				}
  			}
  		}
  	}