def METHOD_NAME():
    parser = argparse.ArgumentParser(
        description="apply mean-variance normalization to files",
        formatter_class=argparse.ArgumentDefaultsHelpFormatter, )
    parser.add_argument(
        "--verbose", "-V", default=0, type=int, help="Verbose option")
    parser.add_argument(
        "--in-filetype",
        type=str,
        default="mat",
        choices=["mat", "hdf5", "sound.hdf5", "sound"],
        help="Specify the file format for the rspecifier. "
        '"mat" is the matrix format in kaldi', )
    parser.add_argument(
        "--stats-filetype",
        type=str,
        default="mat",
        choices=["mat", "hdf5", "npy"],
        help="Specify the file format for the rspecifier. "
        '"mat" is the matrix format in kaldi', )
    parser.add_argument(
        "--out-filetype",
        type=str,
        default="mat",
        choices=["mat", "hdf5"],
        help="Specify the file format for the wspecifier. "
        '"mat" is the matrix format in kaldi', )
    parser.add_argument(
        "--norm-means",
        type=strtobool,
        default=True,
        help="Do variance normalization or not.", )
    parser.add_argument(
        "--norm-vars",
        type=strtobool,
        default=False,
        help="Do variance normalization or not.", )
    parser.add_argument(
        "--reverse",
        type=strtobool,
        default=False,
        help="Do reverse mode or not")
    parser.add_argument(
        "--spk2utt",
        type=str,
        help="A text file of speaker to utterance-list map. "
        "(Don't give rspecifier format, such as "
        '"ark:spk2utt")', )
    parser.add_argument(
        "--utt2spk",
        type=str,
        help="A text file of utterance to speaker map. "
        "(Don't give rspecifier format, such as "
        '"ark:utt2spk")', )
    parser.add_argument(
        "--write-num-frames",
        type=str,
        help="Specify wspecifer for utt2num_frames")
    parser.add_argument(
        "--compress",
        type=strtobool,
        default=False,
        help="Save in compressed format")
    parser.add_argument(
        "--compression-method",
        type=int,
        default=2,
        help="Specify the method(if mat) or "
        "gzip-level(if hdf5)", )
    parser.add_argument(
        "stats_rspecifier_or_rxfilename",
        help="Input stats. e.g. ark:stats.ark or stats.mat", )
    parser.add_argument(
        "rspecifier", type=str, help="Read specifier id. e.g. ark:some.ark")
    parser.add_argument(
        "wspecifier", type=str, help="Write specifier id. e.g. ark:some.ark")
    return parser