code: def _get_instance(cls):
      if cls._instance is None:
          with warnings.catch_warnings():
              warnings.simplefilter("ignore")
              cls._instance = LocalFileSystem()
      return cls._instance
  
imports: import os
  import posixpath
  import sys
  import urllib.parse
  import warnings
  from os.path import join
  import pyarrow
  from pyarrow.util import doc, _stringify_path, _is_path_like, _DEPR_MSG
label_desc: Use image node_id 2 for calling the LocalFileSystem obj's underlying member method code with example usage: obj._get_instance(cls) and returns: cls