void function ( ) { alive = false ; }
informs this edit action that it will no longer be used . some actions might use this information to release resources , for example open files . called by undomanager before thisaction is removed from the edit queue . concode_field_sep String UndoName concode_elem_sep boolean alive concode_elem_sep long serialVersionUID concode_elem_sep String RedoName concode_elem_sep boolean hasBeenDone concode_field_sep boolean canUndo concode_elem_sep void undo concode_elem_sep boolean replaceEdit concode_elem_sep String getPresentationName concode_elem_sep boolean isSignificant concode_elem_sep boolean addEdit concode_elem_sep String getUndoPresentationName concode_elem_sep String toString concode_elem_sep void redo concode_elem_sep boolean canRedo concode_elem_sep String getRedoPresentationName