class_docstr: A dataset that loads previously saved dataset.
class_docstr_tok: ["A","dataset","that","loads","previously","saved","dataset","."]
code: def element_spec(self):
      return self._element_spec
  
imports: import multiprocessing
  import os
  import time
  from typing import Optional
  from google.protobuf import message
  from google.protobuf import text_format
  from tensorflow.core.protobuf import snapshot_pb2
  from tensorflow.python.data.experimental.service import _pywrap_snapshot_utils
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import structured_function
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.ops import gen_experimental_dataset_ops
  from tensorflow.python.platform import gfile
  from tensorflow.python.saved_model import nested_structure_coder
label_desc: Use image node_id 2 for calling the _LoadDataset obj's underlying member method code with example usage: obj.element_spec() and returns: self