class_docstr: A structure to store batch time stamp.
code: def __repr__(self):
      return "'BatchTimestamp<batch_index: {}, timestamp: {}>'".format(
          self.batch_index, self.timestamp
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import time
  import tensorflow
  from tensorflow.core.protobuf import rewriter_config_pb2
  from tensorflow.python import tf2
  from tensorflow.python.eager import profiler
label_desc: Use image node_id 2 for calling the BatchTimestamp obj's underlying member method code with example usage: obj.__repr__() and returns: str