code: def cache_key(
      self,
      window_size: bool | WindowSize | None = None,
      thumb_size: bool | WindowSize | None = None,
  ) -> str:
      window_size = window_size or self.window_size
      thumb_size = thumb_size or self.thumb_size
      args = {
          "thumbnail_type": self.thumbnail_type,
          "digest": self.digest,
          "type": "thumb",
          "window_size": window_size,
          "thumb_size": thumb_size,
      }
      return md5_sha_from_dict(args)
  
imports: from __future__ import annotations
  import logging
  from io import BytesIO
  from typing import TYPE_CHECKING
  from flask import current_app
  from superset import feature_flag_manager
  from superset.utils.hashing import md5_sha_from_dict
  from superset.utils.urls import modify_url_query
  from superset.utils.webdriver import ChartStandaloneMode, DashboardStandaloneMode, WebDriver, WebDriverPlaywright, WebDriverSelenium, WindowSize
label_desc: Use image node_id 3 for calling the BaseScreenshot obj's underlying member method code with example usage: obj.cache_key(window_size, thumb_size) and returns: md5_sha_from_dict