code: def _get_browser_address_bar_port() -> int:
      """Get the app URL that will be shown in the browser's address bar.
  
      That is, this is the port where static assets will be served from. In dev,
      this is different from the URL that will be used to connect to the
      server-browser websocket.
  
      """
      if config.get_option("global.developmentMode"):
          return 3000
      return int(config.get_option("browser.serverPort"))
  
file_path: streamlit/lib/streamlit/web/server/server_util.py
imports: from typing import Optional
  from urllib.parse import urljoin
  import tornado.web
  from streamlit import config, net_util, url_util
label_desc: Use image node_id 5 for calling a global function with example usage: _get_browser_address_bar_port() and returns: int, int