code: def generate_postprocess_variants_command(
      sample, intermediate_results_dir, output_vcf, output_gvcf
  ):
      """Helper function to generate post_process command line."""
      return postprocess_variants_command(
          ref=_REF.value,
          infile=CALL_VARIANTS_OUTPUT_PATTERN.format(
              call_variants_output_common_prefix(
                  intermediate_results_dir
              ),
              sample,
              CALL_VARIANTS_OUTPUT_COMMON_SUFFIX,
          ),
          outfile=output_vcf,
          sample=sample,
          extra_args=_POSTPROCESS_VARIANTS_EXTRA_ARGS.value,
          nonvariant_site_tfrecord_path=NO_VARIANT_TFRECORD_PATTERN.format(
              nonvariant_site_tfrecord_common_suffix(
                  intermediate_results_dir
              ),
              sample,
              examples_common_suffix(_NUM_SHARDS.value),
          ),
          gvcf_outfile=output_gvcf,
      )
  
imports: import enum
  import os
  import subprocess
  import sys
  import tempfile
  from typing import List, Optional
  from absl import app
  from absl import flags
  from absl import logging
  import tensorflow
label_desc: Use image node_id 25 for calling a global function with example usage: generate_postprocess_variants_command(sample, intermediate_results_dir, output_vcf, output_gvcf) and returns: postprocess_variants_command