code: def setup_episodes(self, fold):
      result = []
      domains = self.opt.get("multidogo_domains", DOMAINS)
      if type(domains) is str:
          domains = [domains]
      intent_type = self.opt.get("intent-type", TURN_INTENT)
      for (
          _conv_id,
          domain,
          conversation,
      ) in self._iterate_over_conversations(domains, intent_type):
          if len(conversation) == 0 or not (
              all(["role" in turn for turn in conversation.values()])
          ):
              continue
          rounds = []
          prev_role = conversation["0"]["role"]
          if prev_role == "customer":
              user_utt = [conversation["0"]["text"]]
              api_call = conversation["0"].get("slots", {})
              api_resp = {}
              sys_utt = []
          else:
              user_utt = ["__SILENCE__"]
              api_call = {}
              api_resp = conversation["0"].get("slots", {})
              sys_utt = [conversation["0"]["text"]]
          all_calls = api_call
          api_call = {tod.STANDARD_API_NAME_SLOT: domain}
          for i in range(1, len(conversation)):
              turn = conversation[str(i)]
              if prev_role == "agent" and prev_role != turn["role"]:
                  rounds.append(
                      tod.TodStructuredRound(
                          user_utt="\n".join(user_utt),
                          api_call_machine=api_call,
                          api_resp_machine=api_resp,
                          sys_utt="\n".join(sys_utt),
                      )
                  )
                  user_utt = []
                  api_call = {tod.STANDARD_API_NAME_SLOT: domain}
                  api_resp = {}
                  sys_utt = []
              prev_role = turn["role"]
              slot = turn.get("slots", {})
              if prev_role == "customer":
                  user_utt.append(turn["text"])
                  api_call.update(slot)
                  all_calls.update(slot)
              else:
                  api_resp.update(slot)
                  sys_utt.append(turn["text"])
  
          rounds.append(
              tod.TodStructuredRound(
                  user_utt="".join(user_utt),
                  api_call_machine=api_call,
                  api_resp_machine=api_resp,
                  sys_utt="".join(sys_utt),
              )
          )
          goal_calls = copy.deepcopy(all_calls)
          goal_calls[tod.STANDARD_API_NAME_SLOT] = domain
          result.append(
              tod.TodStructuredEpisode(
                  domain=domain,
                  api_schemas_machine=[
                      {
                          tod.STANDARD_API_NAME_SLOT: domain,
                          tod.STANDARD_OPTIONAL_KEY: all_calls.keys(),
                      }
                  ],
                  goal_calls_machine=[goal_calls],
                  rounds=rounds,
              )
          )
      return result
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  import copy
  import json
  import os
  from parlai.core.opt import Opt
  from parlai.utils.data import DatatypeHelper
  import parlai.core.tod.tod_core
  import parlai.core.tod.tod_agents
  import parlai.tasks.multidogo.build
  from parlai.tasks.multidogo.build import get_processed_multidogo_folder
  from parlai.tasks.multidogo.build import DOMAINS, SENTENCE_INTENT, TURN_INTENT, TURN_AND_SENTENCE_INTENT
label_desc: Use image node_id 3 for calling the MultidogoParser obj's underlying member method code with example usage: obj.setup_episodes(fold) and returns: result