code: def provider_parser(subparser):
      
      identity_group = subparser.add_mutually_exclusive_group()
      identity_group.add_argument(
          "--auth-id", help="specify user id for authentication")
      identity_group.add_argument(
          "--auth-subid", help="specify subuser id for authentication")
      identity_group.add_argument(
          "--auth-subuser", help="specify subuser name for authentication")
      subparser.add_argument(
          "--auth-password", help="specify password for authentication")
      subparser.add_argument("--weight", help="specify the SRV record weight")
      subparser.add_argument("--port", help="specify the SRV record port")
docs: Configure provider parser for CloudNS