code: def increment_argcomplete_index() -> None:
      """Assumes ``$_ARGCOMPLETE`` is set and `argcomplete` is importable
  
      Increment the index pointed to by ``$_ARGCOMPLETE``, which is used to
      determine which word `argcomplete` should start evaluating the command-line.
      This may be useful to "inform" `argcomplete` that we have already evaluated
      the first word as a subcommand.
      """
      try:
          os.environ["_ARGCOMPLETE"] = str(
              int(os.environ["_ARGCOMPLETE"]) + 1
          )
      except Exception:
          try:
              argcomplete.debug(
                  "Unable to increment $_ARGCOMPLETE",
                  os.environ["_ARGCOMPLETE"],
              )  # type:ignore[attr-defined,no-untyped-call]
          except (KeyError, ModuleNotFoundError):
              pass
  
file_path: catboost/contrib/python/traitlets/py3/traitlets/config/argcomplete_config.py
imports: import argparse
  import os
  import typing
label_desc: Use image node_id 2 for calling a global function with example usage: increment_argcomplete_index() without return types