code: def is_functional(cls, type_name) -> bool:
      return type_name.startswith("Function.")
  
imports: from typing import Any, Dict, List, Optional, cast
  from nni.common.framework import get_default_framework
label_desc: Use image node_id 3 for calling the PyTorchOperation obj's underlying member method code with example usage: obj.is_functional(cls, type_name) and returns: type_name