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 July 23 2017. | Portions Copyright 1997-2017 Oracle. All rights reserved.