code: def _future_proof(self, value):
      if isinstance(value, (str, bytes)):
          new_to_old = {}
          for new, old in new_to_old.items():
              value = value.replace(new, old)
      return value
  
imports: import abc
  import os
  import tempfile
  import tensorflow
  from tensorflow_transform import graph_tools
  from tensorflow_transform import test_case
  from tfx_bsl.types import tfx_namedtuple
  from tensorflow.python.ops import control_flow_ops
label_desc: Use image node_id 1 for calling the _Matcher obj's underlying member method code with example usage: obj._future_proof(value) and returns: value