code: def get_parser():
      """Get argument parser."""
  
      parser = config_argparse.ArgumentParser(
          description="SVS Decode",
          formatter_class=argparse.ArgumentDefaultsHelpFormatter,
      )
  
      # Note(kamo): Use "_" instead of "-" as separator.
      # "-" is confusing if written in yaml.
      parser.add_argument(
          "--log_level",
          type=lambda x: x.upper(),
          default="INFO",
          choices=(
              "CRITICAL",
              "ERROR",
              "WARNING",
              "INFO",
              "DEBUG",
              "NOTSET",
          ),
          help="The verbose level of logging",
      )
  
      parser.add_argument(
          "--output_dir",
          type=str,
          required=True,
          help="The path of output directory",
      )
      parser.add_argument(
          "--ngpu",
          type=int,
          default=0,
          help="The number of gpus. 0 indicates CPU mode",
      )
      parser.add_argument(
          "--seed",
          type=int,
          default=0,
          help="Random seed",
      )
      parser.add_argument(
          "--dtype",
          default="float32",
          choices=["float16", "float32", "float64"],
          help="Data type",
      )
      parser.add_argument(
          "--num_workers",
          type=int,
          default=1,
          help="The number of workers used for DataLoader",
      )
      parser.add_argument(
          "--batch_size",
          type=int,
          default=1,
          help="The batch size for inference",
      )
  
      group = parser.add_argument_group("Input data related")
      group.add_argument(
          "--data_path_and_name_and_type",
          type=str2triple_str,
          required=True,
          action="append",
      )
      group.add_argument(
          "--key_file",
          type=str_or_none,
      )
      group.add_argument(
          "--allow_variable_data_keys",
          type=str2bool,
          default=False,
      )
  
      group = parser.add_argument_group(
          "The model configuration related"
      )
      group.add_argument(
          "--train_config",
          type=str,
          help="Training configuration file.",
      )
      group.add_argument(
          "--model_file",
          type=str,
          help="Model parameter file.",
      )
  
      group = parser.add_argument_group("Decoding related")
      group.add_argument(
          "--use_teacher_forcing",
          type=str2bool,
          default=False,
          help="Whether to use teacher forcing",
      )
      parser.add_argument(
          "--noise_scale",
          type=float,
          default=0.667,
          help="Noise scale parameter for the flow in vits",
      )
      parser.add_argument(
          "--noise_scale_dur",
          type=float,
          default=0.8,
          help="Noise scale parameter for the stochastic duration predictor in vits",
      )
  
      group = parser.add_argument_group("Vocoder related")
      group.add_argument(
          "--vocoder_checkpoint",
          default="None",
          type=str_or_none,
          help="checkpoint file to be loaded.",
      )
      group.add_argument(
          "--vocoder_config",
          default=None,
          type=str_or_none,
          help="yaml format configuration file. if not explicitly provided, "
          "it will be searched in the checkpoint directory. (default=None)",
      )
  
      return parser
  
imports: import argparse
  import logging
  import shutil
  import sys
  import time
  from pathlib import Path
  from typing import Any, Dict, Optional, Sequence, Tuple, Union
  import numpy
  import soundfile
  import torch
  from typeguard import check_argument_types
  from espnet2.fileio.npy_scp import NpyScpWriter
  from espnet2.gan_svs.vits import VITS
  from espnet2.svs.singing_tacotron.singing_tacotron import singing_tacotron
  from espnet2.tasks.svs import SVSTask
  from espnet2.torch_utils.device_funcs import to_device
  from espnet2.torch_utils.set_all_random_seed import set_all_random_seed
  from espnet2.tts.utils import DurationCalculator
  from espnet2.utils import config_argparse
  from espnet2.utils.types import str2bool, str2triple_str, str_or_none
  from espnet.utils.cli_utils import get_commandline_args
label_desc: Use image node_id 2 for calling a global function with example usage: get_parser() and returns: parser