def METHOD_NAME(self, parser):
    parser.add_argument(
        "--channel",
        type=str,
        default="ccdl-general",
        help=("Optional parameter to choose the channel where the message will be posted."),
    )
    parser.add_argument(
        "--days",
        type=int,
        default=7,  # Default to a week.
        help=("Number of days in the past for which to build the stats."),
    )
    parser.add_argument(
        "--top-countries",
        type=int,
        default=5,
        help=("Number of countries to show in the per country downloads summary."),
    )