UndoRedo.NONE rather than instantiating this.UndoRedo shall announce that by
implementing this provider interface.Savable from the Savable.REGISTRY (if it
is present there, by relying on AbstractSavable.equals(java.lang.Object)
and AbstractSavable.hashCode()).Built on February 21 2018. | Portions Copyright 1997-2018 Oracle. All rights reserved.