class_docstr: Stores data in temp buckets, restitute it shuffled.
docstr: Return total size in bytes of records (not keys).
docstr_tok: ["Return","total","size","in","bytes","of","records","(","not","keys",")","."]
code: def size(self):
      """Return total size in bytes of records (not keys)."""
      return self._total_bytes
  
imports: import math
  import os
  import struct
  from typing import Iterator, List, Optional
  import uuid
  from absl import logging
  import six
  from tensorflow_datasets.core import hashing
  from tensorflow_datasets.core.utils import file_utils
  from tensorflow_datasets.core.utils import type_utils
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
label_desc: Use image node_id 2 for calling the Shuffler obj's underlying member method code with example usage: obj.size() and returns: self