@Override
  public void setMemberID(DiskStoreID memberID) {
    assert (memberID == null) || (memberID instanceof DiskStoreID);
    super.setMemberID(memberID);
  }
The version tag class for version tags for persistent regions. The VersionSource held in these
tags is a disk store id.
geode-core/src/main/java/org/apache/geode/internal/cache/versions/DiskVersionTag.java