code: def level(self) -> StorageLevel:
      # TODO(fyrestone): return StorageLevel.MEMORY & StorageLevel.DISK
      # if object spilling is available.
      return StorageLevel.MEMORY | StorageLevel.REMOTE
  
imports: import inspect
  from typing import Any, Dict, List, Tuple
  from ..lib import sparse
  from ..oscar.debug import debug_async_timeout
  from ..utils import lazy_import, implements, register_ray_serializer
  from ..metrics import Metrics, Percentile, record_time_cost_percentile
  from .base import StorageBackend, StorageLevel, ObjectInfo, register_storage_backend
  from .core import BufferWrappedFileObject, StorageFileObject
label_desc: Use image node_id 2 for calling the RayStorage obj's underlying member method code with example usage: obj.level() and returns: unknown