docstr: This function is used to set the permutation saving related parameters.
code: def set_permutation_saving_params(
      cls,
      allow_permutation=False,
      save_permutation_graph=False,
      permutation_output_dir=".",
  ):
      """This function is used to set the permutation saving related parameters."""
  
      cls.__allow_permutation = allow_permutation
      cls.__save_permutation_graph = save_permutation_graph
      cls.__permutation_output_dir = permutation_output_dir
  
      if cls.__verbosity > 0:
          print(
              f"[permutation_lib][set_permutation_saving_param] Set permutation saving related parameters\n\tAllow permutation: {cls.__alow_permutation}\n\tSave permutation graphs: {cls.__save_permutation_graph}\n\tPermutation graphs saving dir: {cls.__permutation_output_dir}"
          )
  
imports: import os
  import torch
  import json
  import string
  import time
  import numpy
  import sys
  import builtins
  import io
label_desc: Use image node_id 4 for calling the Permutation obj's underlying member method code with example usage: obj.set_permutation_saving_params(cls, allow_permutation, save_permutation_graph, permutation_output_dir) without return types