examples/org.eclipse.m2m.qvt.oml.econ2009.tutorial/projects/qvto.explained/transforms/ModelExtents.qvto

modeltype ECORE uses 'http://www.eclipse.org/emf/2002/Ecore';	

transformation transf(in m : ECORE, out x : ECORE, out y : ECORE);
 
main() {	
		var a:= object EPackage@x {
			name := 'a'
		};

		var b:= object EPackage@y {
			name := 'b';
		};
	}

mapping EClass::toClass() : EClass@y {
		name := self.name;
}