@Override
    public KnownVersion[] getSerializationVersions() {
      // TODO Auto-generated method stub
      return null;
    }
This method is invoked by the take function. Before invoking it , the take has already
removed the poistion from the available IDs set.

@param info Data object of type RemovedEventInfo which contains info like position countre,
       key & region name
@param sequenceID sequence ID of the event being removed from HARegionQueue
geode-core/src/main/java/org/apache/geode/internal/cache/ha/HARegionQueue.java