code: def run_config(cls):
      cls = attr.s(cls)
  
      if not isinstance(cls, RunConfig):
          # Class methods
          cls.run_cli = classmethod(run_cli)
          cls.from_json = classmethod(from_json)
          cls.from_json_path = classmethod(from_json_path)
          cls.from_json_arg = classmethod(from_json_arg)
  
          # Instance methods
          cls.to_dict = to_dict
          cls.to_json = to_json
          cls.copy = _inst_copy
  
      return cls
  
imports: import argparse
  import attr
  import copy
  import inspect
  import json
  import shlex
  import sys
  import pathlib
  from typing import Any, Tuple
  from jiant.utils.python.io import read_json
  from jiant.utils.python.datastructures import combine_dicts
label_desc: Use image node_id 12 for calling a global function with example usage: run_config(cls) and returns: cls