split.setConstraint(out2, constraint2);
// process
final RuleFlowProcess process = new RuleFlowProcessImpl();
process.setId( "1" );
process.addNode( start );
process.addNode( ruleSet0 );
process.addNode( ruleSet1 );
process.addNode( ruleSet2 );
process.addNode( ruleSet3 );
process.addNode( split );