class_docstr: Definition for a flag that takes multiple values.
  
  Sample usage:
    # This defines a flag that can be specified on the command line as:
    #   --colors=red green blue
    flag = MultiValuesFlagDef(name="colors", parse_type=str, required=True)
    flag.add_argument_to_parser(argument_parser)
class_docstr_tok: ["Definition","for","a","flag","that","takes","multiple","values",".","Sample","usage",":","#","This","defines","a","flag","that","can","be","specified","on","the","command","line","as",":","#","--","colors=red","green","blue","flag","=","MultiValuesFlagDef","(","name=","''","colors","''",",","parse_type=str",",","required=True",")","flag.add_argument_to_parser","(","argument_parser",")"]
code: def _do_additional_validation(self) -> None:
      # No additional validation needed.
      pass
  
imports: from __future__ import annotations
  import abc
  import argparse
  import dataclasses
  import enum
  from typing import Any, Callable, Sequence, Tuple, Union
  from google.generativeai.notebook.lib import llmfn_inputs_source
  from google.generativeai.notebook.lib import llmfn_outputs
label_desc: Use image node_id 2 for calling the MultiValuesFlagDef obj's underlying member method code with example usage: obj._do_additional_validation() without return types