<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def register_actions(self, shortcut_manager):
 """Register callback methods fot triggered actions. :param rafcon.gui.shortcut_manager.ShortcutManager shortcut_manager: Shortcut Manager Object holding mappings between shortcuts and actions. """

        shortcut_manager.add_callback_for_action('close', self.on_close_shortcut)

        # Call register_action of parent in order to register actions for child controllers
        super(StateMachinesEditorController, self).register_actions(shortcut_manager)