protected void recordVersions(RegionVersionHolder vh,BitSet bs){
  for (int i=1; i < bs.length(); i++) {
    if (bs.get(i)) {
      vh.recordVersion(i);
    }
  }
}

protected void recordVersions ( RegionVersionHolder vh , BitSet bs ) { for ( int i = 1 ; i < bs . length ( ) ; i ++ ) { if ( bs . get ( i ) ) { vh . recordVersion ( i ) ; } } }
record all the versions represented in the bit set in the regionversionholder . this method is overridden in subclasses to change the recording order .
