code: def _MakeAdd1CountingIdentityFn(label):
      def Add1CountingIdentityFn(x_y):
          (x, y) = x_y
          return DeepCopyTest._CountingIdentityFn(label, (x + 1, y))
  
      return Add1CountingIdentityFn
  
imports: import collections
  import apache_beam
  from apache_beam import pvalue
  from apache_beam.transforms import resources
  from tensorflow_transform.beam import deep_copy
  from tensorflow_transform.beam import test_helpers
  import unittest
label_desc: Use image node_id 3 for calling the DeepCopyTest obj's underlying member method code with example usage: obj._MakeAdd1CountingIdentityFn(label) and returns: Add1CountingIdentityFn, DeepCopyTest