code: def run_shlex_json_prepend(cls, string: str):
      return cls.run_cli_json_prepend(
          cl_args=shlex.split(string.strip())
      )
  
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 6 for calling the RunConfig obj's underlying member method code with example usage: obj.run_shlex_json_prepend(cls, string) and returns: cls