code: def requestDataStoreInfo(self) -> dict:
      download_uri = f"{self.serverUrl}/datastore/?output=all"
  
      try:
          response = requests.get(download_uri, timeout=5)
      except Exception as exception:
          logging.warning(
              f"{self.getCurrentTime()}: Request for DataStoreInfo failed due to '{exception}'"
          )
          return None
      if response.status_code != 200:
          logging.warning(
              "{}: Request for datastore-info failed (url: '{}'). Response code is {}".format(
                  self.getCurrentTime(),
                  download_uri,
                  response.status_code,
              )
          )
          return None
  
      return response.json()
  
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 4 for calling the MonaiServerREST obj's underlying member method code with example usage: obj.requestDataStoreInfo() and returns: response, None, None