code: def _normalize_vc_input(data):
      
      if data.get("ensemble"):
          for k in ["batch_samples", "validate", "vrn_file"]:
              data[k] = data["ensemble"][k]
          data["config"]["algorithm"]["variantcaller"] = "ensemble"
          data["metadata"] = {"batch": data["ensemble"]["batch_id"]}
      return data
docs: Normalize different types of variant calling inputs.
  
      Handles standard and ensemble inputs.