code: def defer_and_count_usage(var):
      return DeferredTensor(var, make_usage_counting_identity(var))
  
imports: import contextlib
  import os
  import re
  import traceback
  import unittest
  import hypothesis
  from hypothesis.extra import numpy
  import hypothesis.strategies
  import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import dtype_util
  from tensorflow_probability.python.internal import tensorshape_util
  from tensorflow_probability.python.util.deferred_tensor import DeferredTensor
label_desc: Use image node_id 10 for calling a global function with example usage: defer_and_count_usage(var) and returns: DeferredTensor