NodeInfo canonicalClassKeys = null;
NodeInfo canonicalClassValues = null;
NodeInfo decompositionKeys = null;
NodeInfo decompositionValues = null;
AxisIterator iter = doc.iterateAxis(Axis.DESCENDANT, NodeKindTest.ELEMENT);
while (true) {
NodeInfo item = (NodeInfo)iter.next();
if (item == null) {
break;
}