class_docstr: Main class that supports various functionality for the server.
code: def get_window_service_info(self, model_name) -> WindowServiceInfo:
      # The import statement is placed here to avoid two problems, please refer to the link for details
      # https://github.com/stanford-crfm/helm/pull/1430#discussion_r1156686624
      from helm.benchmark.window_services.tokenizer_service import (
          TokenizerService,
      )
      from helm.benchmark.window_services.window_service_factory import (
          WindowServiceFactory,
      )
  
      token_service = TokenizerService(self, Authentication(""))
      window_service = WindowServiceFactory.get_window_service(
          model_name, token_service
      )
      return WindowServiceInfo(
          tokenizer_name=window_service.tokenizer_name,
          max_sequence_length=window_service.max_sequence_length,
          max_request_length=window_service.max_request_length,
          end_of_text_token=window_service.end_of_text_token,
          prefix_token=window_service.prefix_token,
      )
  
imports: import os
  import signal
  from typing import List, Optional
  from helm.common.critique_request import CritiqueRequest, CritiqueRequestResult
  from helm.common.authentication import Authentication
  from helm.common.general import ensure_directory_exists, parse_hocon
  from helm.common.perspective_api_request import PerspectiveAPIRequest, PerspectiveAPIRequestResult
  from helm.common.tokenization_request import WindowServiceInfo, TokenizationRequest, TokenizationRequestResult, DecodeRequest, DecodeRequestResult
  from helm.common.request import Request, RequestResult
  from helm.common.hierarchical_logger import hlog
  from helm.proxy.accounts import Accounts, Account
  from helm.proxy.clients.auto_client import AutoClient
  from helm.proxy.clients.perspective_api_client import PerspectiveAPIClient
  from helm.proxy.example_queries import example_queries
  from helm.proxy.models import ALL_MODELS, get_model_group
  from helm.proxy.query import Query, QueryResult
  from helm.proxy.retry import retry_request
  from helm.proxy.token_counters.auto_token_counter import AutoTokenCounter
  from .service import Service, CREDENTIALS_FILE, CACHE_DIR, ACCOUNTS_FILE, GeneralInfo, VERSION, expand_environments, synthesize_request
label_desc: Use image node_id 3 for calling the ServerService obj's underlying member method code with example usage: obj.get_window_service_info(model_name) and returns: WindowServiceInfo