docs: def enable_save_next_step_handlers(self, delay=120, filename="./.handler-saves/step.save"):
          """
          Enable saving next step handlers (by default saving disable)
  
          :param delay: Delay between changes in handlers and saving
          :param filename: Filename of save file
          """
          self.next_step_saver = Saver(self.next_step_handlers, filename, delay)