class
AbstractNodeShapeHandle<S extends AbstractNodeShape>
BezierCurvesNodeShapeHandle<S extends BezierCurvesNodeShape>
DiamondShapeHandle<S extends DiamondShape>
OvalShapeHandle<S extends OvalShape>
RectangleShapeHandle<S extends AbstractRectangleShape>
RelationTextBoxHandle
RoundrectShapeHandle<S extends RoundrectShape>