def METHOD_NAME(self, parser):
    parser.add_argument(
        "--period",
        type=int,
        default=90,
        help="Number of days that defines inactivity",
    )
    parser.add_argument(
        "--warn-after",
        type=int,
        default=60,
        help="The number of days prompting an inactivity warning email",
    )
    parser.add_argument(
        "--deactivate-users",
        action="store_true",
        help="A flag to deactivate users over inactivity threshold",
    )
    parser.add_argument(
        "--warn-users",
        action="store_true",
        help="A flag to email inactivity warnings to users",
    )
    parser.add_argument(
        "--emails",
        nargs="+",
        default=[],
        help="Email output to a list of system owner addresses",
    )