@Override
    public InitialImageAdvice adviseInitialImage(InitialImageAdvice previousAdvice) {
      InitialImageAdvice r = super.adviseInitialImage(previousAdvice);
      r.setOthers(getAdvisee().getDistributionManager().getOtherDistributionManagerIds());
      return r;
    }
HARegions have their own advisors so that interest registration state can be tracked
geode-core/src/main/java/org/apache/geode/internal/cache/HARegion.java