private static Map<String, VersionTag<VersionSource<?>>> getCCRegionVersions() {
    Map<String, VersionTag<VersionSource<?>>> result = new HashMap<>();
    Map<String, Object> regionAsMap = (Map<String, Object>) CCRegion;
    for (String key : regionAsMap.keySet()) {
      result.put(key, CCRegion.getRegionEntry(key).getVersionStamp().asVersionTag());
    }
    return result;
  }
returns a map of keys->versiontags for the test region
geode-dunit/src/main/java/org/apache/geode/cache30/MultiVMRegionTestCase.java