tests/org.eclipse.qvtd.xtext.qvtrelation.tests/models/misc/Keys.qvtr

import qvtrelation : 'platform:/resource/org.eclipse.qvt/model/ecore/QVTRelation.ecore'::QVTRelation;
import emof : 'platform:/resource/org.eclipse.qvt/model/ecore/EMOF.ecore'::EMOF;

transformation Keys(mm:{qvtrelation, emof})
{
     key Key{identifies};
     key Key{identifies, part};
     key Class{name};
     key NamedElement{name};
--     key Class{};
}