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The nodes in this diagram are constrained to move only horizontally by using the getConstraints and setConstraints methods. In addition, only the movement and left and right resize selection handles are enabled, so users cannot move a node outside of its lane. This is done using the getEnabledHandles and setEnabledHandles methods of nodes. The lanes are locked ShapeNode instances at the bottom of the Z order. The lane labels on the left are locked nodes whose rotation angle property is set to 270 via the setRotationAngle method.