class_docstr: Simple Container Class to manage the state of the TensorBoard remote fetchers
class_docstr_tok: ["Simple","Container","Class","to","manage","the","state","of","the","TensorBoard","remote","fetchers"]
code: def get_num_fetched_files(self) -> int:
      with self._lock:
          return self._num_fetched_files
  
imports: import json
  import logging
  import os
  import queue
  import subprocess
  import sys
  import tempfile
  import threading
  import time
  from typing import Any, Callable, Dict, List
  import boto3
  import requests
  from packaging import version
  import determined
  import determined.common
  from determined.tensorboard import fetchers
label_desc: Use image node_id 4 for calling the TBFetchManager obj's underlying member method code with example usage: obj.get_num_fetched_files() and returns: self