20 class MoveDownOneSceneWorkOrder :
public MosaicSceneWorkOrder {
25 MoveDownOneSceneWorkOrder(
const MoveDownOneSceneWorkOrder &other);
26 ~MoveDownOneSceneWorkOrder();
28 virtual MoveDownOneSceneWorkOrder *clone()
const;
34 MoveDownOneSceneWorkOrder &operator=(
const MoveDownOneSceneWorkOrder &rhs);