docstr: Serialize the explainer to the file specified by path.
code: def serialize_explainer(self, path):
      """Serialize the explainer to the file specified by path."""
      with open(path, "wb") as pickle_file:
          pickle.dump(self, pickle_file)
  
imports: import pickle
  from abc import ABC, abstractmethod
  from collections.abc import Iterable
  from typing import Any, List
  import numpy
  import pandas
  from raiutils.exceptions import UserConfigValidationException
  from sklearn.neighbors import KDTree
  from tqdm import tqdm
  from dice_ml.constants import ModelTypes, _PostHocSparsityTypes
  from dice_ml.counterfactual_explanations import CounterfactualExplanations
label_desc: Use image node_id 29 for calling the ExplainerBase obj's underlying member method code with example usage: obj.serialize_explainer(path) without return types