class
AbstractRectangleShapePersistenceObject<S extends AbstractRectangleShape>
BezierCurvesNodeShapePersistenceObject
DiamondShapePersistenceObject<S extends DiamondShape>
OvalShapePersistenceObject<S extends OvalShape>
RectangleShapePersistenceObject<S extends RectangleShape>
RoundrectShapePersistenceObject<S extends RoundrectShape>