from.add(fromIndex);
to.add(generator.generate(IndicesUtils.getType(fromIndex)));
}
}
int[] _from = from.toArray(), _to = to.toArray();
ArraysUtils.quickSort(_from, _to);
IITransformer transformer = createTransformer(node, indicator);
if (transformer != null)
transformer.apply(new IndexMapper(_from, _to), new IGWrapper(generator), upper, lower);