class_docstr: Abstract filesystem interface
class_docstr_tok: ["Abstract","filesystem","interface"]
docstr: Directory tree generator.
  
  Parameters
  ----------
  path : str
  
  Returns
  -------
  generator
docstr_tok: ["Directory","tree","generator",".","Parameters","--","--","--","--","--","path",":","str","Returns","--","--","--","-","generator"]
code: def walk(
      self, path: path_type
  ) -> Iterator[Tuple[str, List[str], List[str]]]:
      """
      Directory tree generator.
  
      Parameters
      ----------
      path : str
  
      Returns
      -------
      generator
      """
  
imports: import os
  from abc import ABC, abstractmethod
  from urllib.parse import urlparse
  from typing import Union, List, Dict, Tuple, BinaryIO, TextIO, Iterator
  from ...utils import stringify_path
label_desc: Use image node_id 17 for calling the FileSystem obj's underlying member method code with example usage: obj.walk(path) without return types