code: def __init__(
      self, object_id: Any, mode: str, size: Optional[int] = None
  ):
      self.shm = None
      super().__init__(object_id, mode, size=size)
  
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 1 to create a new SharedMemoryFileObject object from inherited base classes: BufferWrappedFileObject with example: obj = SharedMemoryFileObject(object_id, mode, size)