class_docstr: A dataset that allows saving and re-use of already processed data.
code: def _transformation_name(self):
      return "Dataset.snapshot()"
  
file_path: tensorflow-upstream/tensorflow/python/data/ops/snapshot_op.py
imports: import multiprocessing
  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 tensor_spec
  from tensorflow.python.ops import gen_experimental_dataset_ops
label_desc: Use image node_id 3 for calling the _SnapshotDataset obj's underlying member method code with example usage: obj._transformation_name() and returns: str