def METHOD_NAME(self):
    self.parser.add_argument("-p", "--port", help="CDC Port", default="auto")
    self.subparsers = self.parser.add_subparsers(help="sub-command help")
    self.parser_mkdir = self.subparsers.add_parser("mkdir", help="Create directory")
    self.parser_mkdir.add_argument("flipper_path", help="Flipper path")
    self.parser_mkdir.set_defaults(func=self.mkdir)
    self.parser_format = self.subparsers.add_parser(
        "format_ext", help="Format flash card"
    )
    self.parser_format.set_defaults(func=self.format_ext)
    self.parser_remove = self.subparsers.add_parser(
        "remove", help="Remove file/directory"
    )
    self.parser_remove.add_argument("flipper_path", help="Flipper path")
    self.parser_remove.set_defaults(func=self.remove)
    self.parser_read = self.subparsers.add_parser("read", help="Read file")
    self.parser_read.add_argument("flipper_path", help="Flipper path")
    self.parser_read.set_defaults(func=self.read)
    self.parser_size = self.subparsers.add_parser("size", help="Size of file")
    self.parser_size.add_argument("flipper_path", help="Flipper path")
    self.parser_size.set_defaults(func=self.size)
    self.parser_receive = self.subparsers.add_parser("receive", help="Receive file")
    self.parser_receive.add_argument("flipper_path", help="Flipper path")
    self.parser_receive.add_argument("local_path", help="Local path")
    self.parser_receive.set_defaults(func=self.receive)
    self.parser_send = self.subparsers.add_parser(
        "send", help="Send file or directory"
    )
    self.parser_send.add_argument(
        "-f", "--force", help="Force sending", action="store_true"
    )
    self.parser_send.add_argument("local_path", help="Local path")
    self.parser_send.add_argument("flipper_path", help="Flipper path")
    self.parser_send.set_defaults(func=self.send)
    self.parser_list = self.subparsers.add_parser(
        "list", help="Recursively list files and dirs"
    )
    self.parser_list.add_argument("flipper_path", help="Flipper path", default="/")
    self.parser_list.set_defaults(func=self.list)
    self.parser_stress = self.subparsers.add_parser("stress", help="Stress test")
    self.parser.add_argument(
        "-c", "--count", type=int, default=10, help="Iteration count"
    )
    self.parser_stress.add_argument("flipper_path", help="Flipper path")
    self.parser_stress.add_argument(
        "file_size", type=int, help="Test file size in bytes"
    )
    self.parser_stress.set_defaults(func=self.stress)