docs: def register_actions(self, shortcut_manager):
          """Register callback methods for triggered actions
  
          :param rafcon.gui.shortcut_manager.ShortcutManager shortcut_manager: Shortcut Manager Object holding mappings
              between shortcuts and actions.
          """
          super(DescriptionEditorController, self).register_actions(shortcut_manager)
          shortcut_manager.add_callback_for_action("abort", self._abort)