code: def __call__(self, *args, **kwargs):
      """Forward the arguments to the child links.
  
      Args:
          *args, **kwargs: Any arguments forwarded to child links. Each child
              link should be able to accept the arguments.
  
      Returns:
          tuple: Tuple of the returned values from the child links.
      """
      return tuple(link(*args, **kwargs) for link in self)
  
label_desc: Use image node_id 1 for calling the Branched obj's underlying member method code with example usage: obj.__call__() and returns: tuple