docstr: Level of current storage backend.
  
  Returns
  -------
  Level: StorageLevel
      storage level.
docstr_tok: ["Level","of","current","storage","backend",".","Returns","--","--","--","-","Level",":","StorageLevel","storage","level","."]
code: def level(self) -> StorageLevel:
      """
      Level of current storage backend.
  
      Returns
      -------
      Level: StorageLevel
          storage level.
      """
  
imports: import functools
  import operator
  from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from enum import Enum
  from typing import Any, Dict, List, Tuple, Type, Union
  from ..utils import dataslots
  from .core import StorageFileObject
label_desc: Use image node_id 2 for calling the StorageBackend obj's underlying member method code with example usage: obj.level() without return types