code: def read_config(filepath: Union[os.PathLike, str]) -> dict:
      """
      This function reads a detector toml config file and returns a dict specifying the detector.
  
      Parameters
      ----------
      filepath
          The filepath to the config.toml file.
  
      Returns
      -------
          Parsed toml dictionary.
      """
      filepath = Path(filepath)
  
      cfg = dict(
          toml.load(filepath)
      )  # toml.load types return as MutableMapping, force to dict
      logger.info("Loaded config file from {}".format(str(filepath)))
  
      # This is necessary as no None/null in toml spec., and missing values are set to defaults set in pydantic models.
      # But we sometimes need to explicitly spec as None.
      cfg = _replace(cfg, "None", None)
  
      return cfg
  
imports: import logging
  import os
  from functools import partial
  from importlib import import_module
  from pathlib import Path
  from typing import Any, Callable, Optional, Union, Type, TYPE_CHECKING
  import dill
  import numpy
  import toml
  from transformers import AutoTokenizer
  from alibi_detect.saving.registry import registry
  from alibi_detect.saving._tensorflow import load_detector_legacy, load_embedding_tf, load_kernel_config_tf, load_model_tf, load_optimizer_tf, prep_model_and_emb_tf, get_tf_dtype
  from alibi_detect.saving._pytorch import load_embedding_pt, load_kernel_config_pt, load_model_pt, load_optimizer_pt, prep_model_and_emb_pt, get_pt_dtype
  from alibi_detect.saving._keops import load_kernel_config_ke
  from alibi_detect.saving._sklearn import load_model_sk
  from alibi_detect.saving.validate import validate_config
  from alibi_detect.base import Detector, ConfigurableDetector, StatefulDetectorOnline
  from alibi_detect.utils.frameworks import has_tensorflow, has_pytorch, Framework
  from alibi_detect.saving.schemas import supported_models_tf, supported_models_torch
  from alibi_detect.utils.missing_optional_dependency import import_optional
label_desc: Use image node_id 13 for calling a global function with example usage: read_config(filepath) and returns: cfg