code: def select_update_method(self, force_interactive, force_change_set):
          
          if self.interactive or force_interactive:
              return self.interactive_update_stack
          elif force_change_set:
              return self.noninteractive_changeset_update
          else:
              return self.default_update_stack
docs: Select the correct update method when updating a stack.
  
          Args:
              force_interactive (str): Whether or not to force interactive mode
                  no matter what mode the provider is in.
              force_change_set (bool): Whether or not to force change set use.
  
          Returns:
              function: The correct object method to use when updating.