Description of navigation view with undo/redo support on top of basic
Clients will implement this interface when they need undo and redo support
enabled for their Navigator view/panel.
Implementors of this interface will be plugged into Navigator UI.
Returns instance of UndoRedo which will be propagated into
Navigator TopComponent's getUndoRedo() when this panel is active.
It allows clients to enable undo/redo management and undo/redo actions for
this panel in Navigator.