code: def available_methods_captum() -> List[str]:
      """
      Retrieve the available explanation methods in Quantus.
  
      Returns
      -------
      List[str]
          With the available explanation methods in Quantus.
      """
      return [c for c in AVAILABLE_XAI_METHODS_CAPTUM]
  
file_path: Quantus/quantus/helpers/constants.py
imports: import sys
  from typing import List, Dict, Mapping, Type
  from quantus.functions.loss_func import *
  from quantus.functions.normalise_func import *
  from quantus.functions.perturb_func import *
  from quantus.functions.similarity_func import *
  from quantus.functions import n_bins_func
  from quantus.metrics import *
label_desc: Use image node_id 4 for calling a global function with example usage: available_methods_captum() and returns: unknown