class_docstr: A regular replay buffer which stores transition without any additional structure
docstr: Save the replay buffer contents to a pickle file
  :param file_path: the path to the file that will be used to store the pickled transitions
docstr_tok: ["Save","the","replay","buffer","contents","to","a","pickle","file",":","param","file_path",":","the","path","to","the","file","that","will","be","used","to","store","the","pickled","transitions"]
code: def save(self, file_path: str) -> None:
      """
      Save the replay buffer contents to a pickle file
      :param file_path: the path to the file that will be used to store the pickled transitions
      """
      with open(file_path, "wb") as file:
          pickle.dump(self.transitions, file)
  
imports: from typing import List, Tuple, Union
  import pickle
  import random
  import math
  import numpy
  from rl_coach.core_types import Transition
  from rl_coach.logger import screen
  from rl_coach.memories.memory import Memory, MemoryGranularity, MemoryParameters
  from rl_coach.utils import ReaderWriterLock, ProgressBar
label_desc: Use image node_id 13 for calling the ExperienceReplay obj's underlying member method code with example usage: obj.save(file_path) without return types