code: def ls(self, path):
      path = _stringify_path(path)
      return sorted(pjoin(path, x) for x in os.listdir(path))
  
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 4 for calling the LocalFileSystem obj's underlying member method code with example usage: obj.ls(path) and returns: sorted