code: def share(self) -> Dict[str, Any]:
      shared = super().share()
      shared["client"] = self.search_client
      return shared
  
file_path: ParlAI/projects/bb3/agents/search_agent.py
imports: from typing import Any, Dict, List, Optional, Union
  from parlai.agents.rag.retrieve_api import SearchEngineRetriever, SearchEngineRetrieverMock
  from parlai.agents.rag.retrievers import Document
  from parlai.core.agents import Agent
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from parlai.core.message import Message
label_desc: Use image node_id 4 for calling the SearchAgent obj's underlying member method code with example usage: obj.share() and returns: shared