pkgBuilder.addPackageFromDrl( new StringReader( "package pkg1;\nglobal Boolean value;" ) );
ReturnValueConstraintEvaluator node = new ReturnValueConstraintEvaluator();
final MVELReturnValueEvaluatorBuilder builder = new MVELReturnValueEvaluatorBuilder();
builder.build( context,
node,
descr,
null );
final KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();