code: def init_dataset_prepare_args(self, parser):
          '''Only invoked conditionally if subcommand is 'prepare' '''
          parser.add_argument('-f', '--configuration', dest='config', default=DEFAULT_USER_CONFIG_PATH,
                              help='the path to the configuration file to use -- ./config.yaml by default')
          parser.add_argument('-c', '--corpus-name', help='the name of the corpus to process')
          parser.add_argument('-n', '--dataset-name', help='the name to assign the newly processed dataset'f init_dataset_prepare_args(self, parser):
          '''Only invoked conditionally if subcommand is 'prepare' '''
          parser.add_argument('-f', '--configuration', dest='config', default=DEFAULT_USER_CONFIG_PATH,
                              help='the path to the configuration file to use -- ./config.yaml by default')
          parser.add_argument('-c', '--corpus-name', help='the name of the corpus to process')
          parser.add_argument('-n', '--dataset-name', help='the name to assign the newly processed dataset')
docs: Only invoked conditionally if subcommand is 'prepare'