.child(Topology.class, new TopologyKey(SouthboundUtils.OVSDB_TOPOLOGY_ID))
.child(Node.class, identifier.firstKeyOf(Node.class))
.child(TerminationPoint.class, identifier.firstKeyOf(TerminationPoint.class))
.augmentation(OvsdbTerminationPointAugmentation.class),
.child(Topology.class, new TopologyKey(SouthboundUtils.OVSDB_TOPOLOGY_ID))
.child(Node.class, identifier.firstKeyOf(Node.class))
.child(TerminationPoint.class, identifier.firstKeyOf(TerminationPoint.class))
.augmentation(OvsdbTerminationPointAugmentation.class),