code: def to_dict(self) -> Dict[str, Any]:
      return {
          "db_url": self.db_url,
          "model": self.model.__name__ if self.model else None,
      }
  
file_path: pytorch-lightning/src/lightning/app/components/database/client.py
imports: from typing import Any, Dict, List, Optional, Type, TypeVar
  import requests
  from requests import Session
  from requests.adapters import HTTPAdapter
  from urllib3.util.retry import Retry
  from lightning.app.components.database.utilities import _GeneralModel
label_desc: Use image node_id 7 for calling the DatabaseClient obj's underlying member method code with example usage: obj.to_dict() and returns: dict