def METHOD_NAME(subparsers):
    autoscale_parser = subparsers.add_parser(
        "autoscale",
        help="Manually scale a service up and down manually, bypassing the normal autoscaler",
    )
    autoscale_parser.add_argument(
        "-s", "--service", help="Service that you want to stop. Like 'example_service'."
    ).completer = lazy_choices_completer(list_services)
    autoscale_parser.add_argument(
        "-i",
        "--instance",
        help="Instance of the service that you want to stop. Like 'main' or 'canary'.",
        required=True,
    ).completer = lazy_choices_completer(list_instances)
    autoscale_parser.add_argument(
        "-c",
        "--cluster",
        help="The PaaSTA cluster that has the service instance you want to stop. Like 'pnw-prod'.",
        required=True,
    ).completer = lazy_choices_completer(list_clusters)
    autoscale_parser.add_argument(
        "--set", help="Set the number to scale to. Must be an Int.", type=int
    )
    autoscale_parser.set_defaults(command=paasta_autoscale)