code: def level(self) -> StorageLevel:
      return StorageLevel.MEMORY
  
imports: import asyncio
  import os
  import random
  import struct
  import sys
  from string import ascii_letters, digits
  from typing import Any, Dict, List, Tuple, Optional
  from dataclasses import dataclass
  from ..serialization import AioSerializer, AioDeserializer
  from ..utils import implements, dataslots
  from .base import StorageBackend, StorageLevel, ObjectInfo, register_storage_backend
  from .core import BufferWrappedFileObject, StorageFileObject
label_desc: Use image node_id 2 for calling the SharedMemoryStorage obj's underlying member method code with example usage: obj.level() and returns: StorageLevel