code: def add_rnn_decoder_arguments(
      group: _ArgumentGroup,
  ) -> _ArgumentGroup:
      """Define arguments for RNN decoder."""
      group.add_argument(
          "--dec-embed-dim",
          default=320,
          type=int,
          help="Number of decoder embeddings dimensions",
      )
      group.add_argument(
          "--dlayers",
          default=1,
          type=int,
          help="Number of decoder layers",
      )
      group.add_argument(
          "--dunits",
          default=320,
          type=int,
          help="Number of decoder hidden units",
      )
  
      return group
  
file_path: espnet/espnet/nets/pytorch_backend/transducer/arguments.py
imports: import ast
  from argparse import _ArgumentGroup
  from distutils.util import strtobool
label_desc: Use image node_id 5 for calling a global function with example usage: add_rnn_decoder_arguments(group) and returns: group