KieServices ks = KieServices.Factory.get();
KieFileSystem kfs = ks.newKieFileSystem();
kfs.generateAndWritePomXML( ks.newReleaseId( "test", "foo", "1.0" ) );
KieModuleModel km = ks.newKieModuleModel();
km.newKieBaseModel( "rules" )
.addPackage( "org.drools.compiler.test2" )
.addPackage( "org.drools.compiler.test1" );
kfs.writeKModuleXML( km.toXML() );