code: def _processed_filenames(self) -> _typing.Iterable[str]:
      return ["data.pt"]
  
imports: import itertools
  import os
  import scipy.io
  import torch
  import typing
  from autogl.data import Data, download_url, InMemoryStaticGraphSet
  from autogl.data.graph import GeneralStaticGraphGenerator
  from ._dataset_registry import DatasetUniversalRegistry
  from ._data_source import OnlineDataSource
  from ..None import backend
label_desc: Use image node_id 2 for calling the _MATLABMatrix obj's underlying member method code with example usage: obj._processed_filenames() and returns: list