code: def __call__(self, *args: Any, **kwargs: Any) -> "BackboneConfig":
      """Completes configuration for this backbone.
  
      Called by the end user. All heavy lifting (such as creating a NN backbone)
      should be done here.
      """
  
label_desc: Use image node_id 1 for calling the BackboneConfig obj's underlying member method code with example usage: obj.__call__() without return types