plugins/org.eclipse.epsilon.executors/src/org/eclipse/epsilon/executors/etl/EtlSimpleTrace.emf

@namespace(uri="http://www.eclipse.org/epsilon/etl/EtlSimpleTrace", prefix="etltr")
package EtlSimpleTrace;

class Trace {
   val TraceLink[*] links;
}

class TraceLink {
   ref EObject[*] sources;
   ref EObject[*] targets;
   attr String description;
}