code: def hmc_like_step_size_getter_fn(kernel_results):
      """Getter for `step_size` so it can be inspected."""
      return unnest.get_innermost(kernel_results, "step_size")
  
imports: import collections
  import numpy
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import assert_util
  from tensorflow_probability.python.internal import dtype_util
  from tensorflow_probability.python.internal import prefer_static
  from tensorflow_probability.python.internal import tensorshape_util
  from tensorflow_probability.python.internal import unnest
  from tensorflow_probability.python.math.generic import reduce_logmeanexp
  from tensorflow_probability.python.mcmc import kernel
  from tensorflow_probability.python.mcmc.internal import util
label_desc: Use image node_id 2 for calling a global function with example usage: hmc_like_step_size_getter_fn(kernel_results) and returns: unnest