class_docstr: Complete cache for a dataset as well as metadata.
class_docstr_tok: ["Complete","cache","for","a","dataset","as","well","as","metadata","."]
code: def items(self):
      return self.cache_dict.items()
  
imports: import os
  import pickle
  import re
  import sys
  from typing import Iterable, Mapping, List, Optional, Union, Tuple
  import apache_beam
  import tensorflow
  from tfx_bsl.types import tfx_namedtuple
label_desc: Use image node_id 4 for calling the DatasetCache obj's underlying member method code with example usage: obj.items() and returns: self