final IndexQuery query = new IndexQuery(null, IndexQuery.BW, first, last);
final IndexQuery query = new IndexQuery(IndexQuery.BW, first, last);
	public ArrayList findRange(Value first, Value last) throws IOException, BTreeException {		final IndexQuery query = new IndexQuery(null, IndexQuery.BW, first, last);		final RangeCallback cb = new RangeCallback();		query(query, cb);		return cb.getValues();	}