code: def add_fmoe_args(parser):
      group = parser.add_argument_group(title="fastmoe")
  
      group.add_argument("--fmoefy", action="store_true")
      try:
          group.add_argument("--num-experts", type=int, default=None)
      except argparse.ArgumentError:
          group.add_argument(
              "--fmoe-num-experts", type=int, default=None
          )
      group.add_argument("--top-k", type=int, default=2)
      group.add_argument("--balance-loss-weight", type=float, default=1)
      group.add_argument("--balance-strategy", type=str, default=None)
      group.add_argument("--hidden-hidden-size", type=int, default=None)
  
      return parser
  
label_desc: Use image node_id 1 for calling a global function with example usage: add_fmoe_args(parser) and returns: parser