public boolean logicallySameAs(RegionVersionVector<T> other) {
    return (dominates(other) && other.dominates(this));
  }
Note: test only. If put in production will cause ConcurrentModificationException see if two
RVVs have seen the same events and GC version vectors This will treat member with null version
the same as member with version=0

@return true if the RVVs are the same logically.
geode-core/src/main/java/org/apache/geode/internal/cache/versions/RegionVersionVector.java