@Override
    protected int getIntInfo() {
      int s = super.getIntInfo();
      if (requiresNotification) {
        s |= REQUIRES_NOTIFICATION_MASK;
      }
      return s;
    }
for internal use, required for DataSerializer.readObject
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/RegionAdvisor.java