code: def noop(*layers: Model) -> Model[InOutT, InOutT]:
      """Transform a sequences of layers into a null operation."""
      return Model("noop", forward, layers=layers)
  
imports: from typing import Callable, Tuple, TypeVar
  from ..config import registry
  from ..model import Model
label_desc: Use image node_id 1 for calling a global function with example usage: noop() and returns: Model