code: def _get_api_url(self, endpoint: str) -> str:
      api_url = f"{self.MICROSOFT_GRAPH_BASE_API_URL}{self.MICROSOFT_GRAPH_API_VERSION}/{endpoint}/"
      return api_url
  
file_path: mindsdb/mindsdb/integrations/handlers/utilities/api_utilities/microsoft/ms_graph_api_utilities.py
imports: import time
  import requests
  from typing import Optional, Dict, Union, List
  from mindsdb.utilities import log
label_desc: Use image node_id 2 for calling the MSGraphAPIBaseClient obj's underlying member method code with example usage: obj._get_api_url(endpoint) and returns: api_url