class_docstr: Mock Dictionary Agent which just implements indexing and txt2vec.
class_docstr_tok: ["Mock","Dictionary","Agent","which","just","implements","indexing","and","txt2vec","."]
docstr: Add CLI args.
docstr_tok: ["Add","CLI","args","."]
code: def add_cmdline_args(
      cls, parser: ParlaiParser, partial_opt: Optional[Opt] = None
  ) -> ParlaiParser:
      """
      Add CLI args.
      """
      pass
      return parser
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.torch_agent import TorchAgent, Output
  import torch
  from parlai.core.agents import Agent
label_desc: Use image node_id 5 for calling the MockDict obj's underlying member method code with example usage: obj.add_cmdline_args(cls, parser, partial_opt) and returns: parser