code: def functionalize(self, inner_f: Callable) -> Callable:
      return torch.func.functionalize(inner_f)
  
imports: import contextlib
  from abc import ABC, abstractmethod
  from typing import Any, Callable, ContextManager, Tuple
  import torch
  import torch.utils._pytree
  from torch._C import _functionalization_reapply_views_tls
  from torch._ops import _get_dispatch_mode_pre_dispatch
  from torch.utils._python_dispatch import _detect_functional_mode, return_and_correct_aliasing, TorchDispatchMode
label_desc: Use image node_id 3 for calling the CppFunctionalizeAPI obj's underlying member method code with example usage: obj.functionalize(inner_f) and returns: torch