code: def maybe_get_utf8(value: bytes) -> Optional[Text]:
      """Returns the value decoded as utf-8, or None if it cannot be decoded.
  
      Args:
        value: The bytes value to decode.
      Returns:
        The value decoded as utf-8, or None, if the value cannot be decoded.
      """
      try:
          decoded_value = value.decode("utf-8")
      except UnicodeError:
          return None
      return decoded_value
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import logging
  from typing import Dict, Iterable, Optional, Sequence, Text, Tuple, Union
  import numpy
  import pyarrow
  import tensorflow
  from tensorflow_data_validation import constants
  from tensorflow_data_validation import types
  from tensorflow_data_validation.arrow import arrow_util
  from tensorflow_data_validation.utils import artifacts_io_impl
  from tensorflow_data_validation.utils import io_util
  from tfx_bsl import statistics
  from tfx_bsl.arrow import array_util
  from google.protobuf import text_format
  from tensorflow_metadata.proto.v0 import statistics_pb2
label_desc: Use image node_id 1 for calling a global function with example usage: maybe_get_utf8(value) and returns: decoded_value, None