code: def add_contrib_callback_args(parser: argparse.ArgumentParser):
      for contrib_name, contrib_loader in contrib_registry.items():
          parser.add_argument(
              f"--{contrib_name}",
              dest="callbacks",
              nargs=0,
              action=create_load_action(contrib_loader),
          )
  
imports: import argparse
  from ludwig.contribs import contrib_registry, ContribLoader
label_desc: Use image node_id 2 for calling a global function with example usage: add_contrib_callback_args(parser) without return types