class_docstr: Context that providing API that can be
  used inside `tile` and `execute`.
code: def current(cls):
      return cls.all_contexts[-1] if cls.all_contexts else None
  
imports: import os
  from abc import ABC, abstractmethod
  from typing import List, Dict
  from ..typing import BandType, SessionType
  from ..storage.base import StorageLevel
  from ..utils import classproperty
label_desc: Use image node_id 21 for calling the Context obj's underlying member method code with example usage: obj.current(cls) and returns: unknown