private @Node(GRGEN_MODEL.@Node oldElem) : base(GRGEN_MODEL.NodeType_Node.typeVar) { }
private @UEdge(GRGEN_MODEL.@UEdge oldElem, GRGEN_LGSP.LGSPNode newSource, GRGEN_LGSP.LGSPNode newTarget) : base(GRGEN_MODEL.EdgeType_UEdge.typeVar, newSource, newTarget) { }