docstr: This needs to be deterministic. The template dir is an absolute path
  that varies across builds. So, just use the path relative to this file,
  which will point to the codegen source but will be stable.
code: def template_dir_for_comments(self) -> str:
      """
      This needs to be deterministic. The template dir is an absolute path
      that varies across builds. So, just use the path relative to this file,
      which will point to the codegen source but will be stable.
      """
      return os.path.relpath(
          self.template_dir, os.path.dirname(__file__)
      )
  
imports: import contextlib
  import functools
  import hashlib
  import os
  import re
  import sys
  import textwrap
  from argparse import Namespace
  from dataclasses import fields, is_dataclass
  from enum import auto, Enum
  from typing import Any, Callable, Dict, Generic, Iterable, Iterator, List, Literal, NoReturn, Optional, Sequence, Set, Tuple, TypeVar, Union
  from typing_extensions import Self
  from torchgen.code_template import CodeTemplate
label_desc: Use image node_id 8 for calling the FileManager obj's underlying member method code with example usage: obj.template_dir_for_comments() and returns: os