code: public void setVbucketlist(short[] vbs) {
      int oldSize = (vblist.length + 1) * 2;
      int newSize = (vbs.length + 1) * 2;
      totalbody += newSize - oldSize;
      vblist = vbs;
    }
docs: Sets a list of vbuckets to stream keys from.
  
  @param vbs - A list of vbuckets.