code: def dtypepb_to_fieldpb_map(
      version: str = LATEST_PROTOCOL_VERSION,
  ) -> dict[int, str]:
      return {
          k: npdtype_to_fieldpb_map()[v]
          for k, v in dtypepb_to_npdtype_map(version).items()
      }
  
imports: from __future__ import annotations
  import json
  import logging
  import typing
  from functools import lru_cache
  from starlette.requests import Request
  from starlette.responses import Response
  from ...exceptions import BadInput
  from ...exceptions import InvalidArgument
  from ...exceptions import UnprocessableEntity
  from ...grpc.utils import LATEST_PROTOCOL_VERSION
  from ...grpc.utils import import_generated_stubs
  from ..service.openapi import SUCCESS_DESCRIPTION
  from ..service.openapi.specification import MediaType
  from ..service.openapi.specification import Schema
  from ..types import LazyType
  from ..utils import LazyLoader
  from ..utils.http import set_cookies
  from .base import IODescriptor
label_desc: Use image node_id 6 for calling a global function with example usage: dtypepb_to_fieldpb_map(version) and returns: unknown