List<Set<Rule>> ls = new ArrayList<Set<Rule>>();
// ImplicitSplitInserter set
// This set of rules Insert Foreach dedicated for casting after load
Set<Rule> s = new HashSet<Rule>();
Rule r = new ImplicitSplitInserter("ImplicitSplitInserter");
checkAndAddRule(s, r);
if (!s.isEmpty())
ls.add(s);
// DuplicateForEachColumnRewrite set