ruleSet2.setRuleFlowGroup( "rule-flow-group-2" );
final RuleSetNode ruleSet3 = new RuleSetNodeImpl();
ruleSet3.setRuleFlowGroup( "rule-flow-group-3" );
final Split split = new SplitImpl();
split.setType( Split.TYPE_XOR );
final Join join = new JoinImpl();
join.setType( Join.TYPE_XOR );
final EndNode end = new EndNodeImpl();
// connections
new ConnectionImpl( start,
ruleSet0,
Connection.TYPE_NORMAL );