public FluentStandardStatefulKnowledgeSession newStatefulKnowledgeSession() {
KnowledgeSessionConfiguration ksessionConf = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
ksessionConf.setOption( ClockTypeOption.get( "pseudo" ) );
getSim().addCommand( new NewStatefulKnowledgeSessionCommand( ksessionConf ) );
getSim().addCommand( new SetVariableCommandFromLastReturn( StatefulKnowledgeSession.class.getName() ) );
return new FluentStandardStatefulKnowledgeSessionImpl( getSim(),
this );
}