void synchronizeForLostMember(InternalDistributedMember lostMember,
      VersionSource lostVersionID) {
    if (!getConcurrencyChecksEnabled()) {
      return;
    }
    CacheDistributionAdvisor advisor = getCacheDistributionAdvisor();
    Set<InternalDistributedMember> targets = advisor.adviseInitializedReplicates();
    for (InternalDistributedMember target : targets) {
      synchronizeWith(target, lostVersionID, lostMember);
    }
  }
If this region has concurrency controls enabled this will pull any missing changes from other
replicates using InitialImageOperation and a filtered chunking protocol.
geode-core/src/main/java/org/apache/geode/internal/cache/DistributedRegion.java