protected void doSetValue(Object source, Object value) {
   AbstractSplitPanel component = (AbstractSplitPanel) source;
   component.setMaxSplitPosition(component.getMaxSplitPosition(), (Unit) value);
 }
 protected Object doGetValue(Object source) {
   AbstractSplitPanel component = (AbstractSplitPanel) source;
   return component.getMaxSplitPositionUnit();
 }