class_docstr: Manages interactions between agents on messenger as well as direct interactions
  between agents and the messenger overworld.
docstr: Complete necessary setup items.
docstr_tok: ["Complete","necessary","setup","items","."]
code: def _complete_setup(self):
      """
      Complete necessary setup items.
      """
      self.setup_server()
      self.init_new_state()
      self.setup_socket()
      self.start_new_run()
      self._load_model()
  
imports: import logging
  import os
  from parlai.core.agents import create_agent
  import parlai.chat_service.utils.logging
  import parlai.chat_service.utils.server
  from parlai.utils.io import PathManager
  from parlai.chat_service.services.messenger.agents import MessengerAgent
  from parlai.chat_service.core.socket import ChatServiceMessageSocket
  from parlai.chat_service.services.messenger.message_sender import MessageSender
  from parlai.chat_service.core.chat_service_manager import ChatServiceManager
label_desc: Use image node_id 4 for calling the MessengerManager obj's underlying member method code with example usage: obj._complete_setup() without return types