code: def add_freeze_model_subparser(subparsers):
      """Add parser for `freeze_model`."""
      compile_msg = "\n".join(
          [
              "Usage example:",
              "To freeze a SavedModel in preparation for tfcompile:",
              "$saved_model_cli freeze_model \\",
              "   --dir /tmp/saved_model \\",
              "   --tag_set serve \\",
              "   --output_prefix /tmp/saved_model_xla_aot",
          ]
      )
  
      parser_compile = subparsers.add_parser(
          "freeze_model",
          description=compile_msg,
          formatter_class=argparse.RawTextHelpFormatter,
      )
      parser_compile.set_defaults(func=freeze_model)
  
imports: import argparse
  import platform
  import ast
  import os
  import re
  from absl import app
  from absl import flags
  from absl.flags import argparse_flags
  import numpy
  from tensorflow.core.example import example_pb2
  from tensorflow.core.framework import types_pb2
  from tensorflow.core.protobuf import config_pb2
  from tensorflow.python.client import session
  from tensorflow.python.debug.wrappers import local_cli_wrapper
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import function
  from tensorflow.python.framework import meta_graph
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.lib.io import file_io
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.saved_model import load
  from tensorflow.python.saved_model import loader
  from tensorflow.python.saved_model import save
  from tensorflow.python.saved_model import signature_constants
  from tensorflow.python.tools import saved_model_aot_compile
  from tensorflow.python.tools import saved_model_utils
  from tensorflow.python.tpu import tpu
  from tensorflow.python.util.compat import collections_abc
label_desc: Use image node_id 34 for calling a global function with example usage: add_freeze_model_subparser(subparsers) without return types