kbase.addKnowledgePackages( kpkgs );
kbase = SerializationHelper.serializeObject( kbase );
StatefulKnowledgeSession session = createKnowledgeSession( kbase );
session.insert( new Precondition( "genericcode",
"genericvalue" ) );
session.fireAllRules();
KnowledgeBase ruleBaseWM = session.getKieBase();
ruleBaseWM.removeKnowledgePackage( packageName );