code: def getServerUrl(self) -> str:
      return self.serverUrl
  
file_path: MONAILabel/plugins/slicer/MONAILabelReviewer/MONAILabelReviewerLib/MonaiServerREST.py
imports: import datetime
  import json
  import logging
  import os
  from urllib.parse import quote_plus
  import requests
  from requests.structures import CaseInsensitiveDict
label_desc: Use image node_id 2 for calling the MonaiServerREST obj's underlying member method code with example usage: obj.getServerUrl() and returns: self