node.input.remove(input_name)
      for updating_input in updating_inputs:
        node.input.append('^' + output_renaming_map[updating_input])
  return graph_def


def create_empty_output_dir(
    output_directory: str, overwrite: bool = True
) -> None:
  """Creates the `output_directory`.

  If `output_directory` already exists, it recursively deletes all contents
  inside the directory.

      )

    if not calib_opts.calibration_parameters.num_bins:
      calib_opts.calibration_parameters.num_bins = 512

  if calib_opts.calibration_data_dir:
    save_model.create_empty_output_dir(
        calib_opts.calibration_data_dir,
        overwrite=calib_opts.force_regenerate_calibration_data,
    )


def _populate_quantization_options_default_values(