# Metadata Source: https://www.tensorplay.cn/docs/generated/tensorplay.distributed.checkpoint.Metadata.html ```python class tensorplay.distributed.checkpoint.Metadata(state_dict_metadata: 'dict[str, TensorStorageMetadata | BytesStorageMetadata]', planner_data: 'Any' = None, storage_data: 'Any' = None, storage_meta: 'StorageMeta | None' = None, version: 'str | None' = None) ```