@Override
  public KnownVersion[] getSerializationVersions() {
    // TODO Auto-generated method stub
    return null;
  }
A load probe which calculates the load of a pr using the size of the buckets in bytes.

@since GemFire 6.0
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/SizedBasedLoadProbe.java