code: def register_required_flags():
      flags.mark_flags_as_required(
          [
              "checkpoint",
              "example_info_json",
              "output",
          ]
      )
  
file_path: deepvariant/deepvariant/convert_to_saved_model.py
imports: import os
  from typing import Optional
  from absl import app
  from absl import flags
  from absl import logging
  import tensorflow
  from deepvariant import dv_utils
  from deepvariant import keras_modeling
  from tensorflow.python.platform import gfile
label_desc: Use image node_id 1 for calling a global function with example usage: register_required_flags() without return types