code: def _browser_server_port() -> int:
      """Port where users should point their browsers in order to connect to the
      app.
  
      This is used to:
      - Set the correct URL for CORS and XSRF protection purposes.
      - Show the URL on the terminal
      - Open the browser
  
      Default: whatever value is set in server.port.
      """
      return int(get_option("server.port"))
  
imports: import copy
  import os
  import secrets
  import threading
  from collections import OrderedDict
  from typing import Any, Callable, Dict, Optional, cast
  import toml
  from blinker import Signal
  from streamlit import config_util, development, env_util, file_util, util
  from streamlit.config_option import ConfigOption
  from streamlit.errors import StreamlitAPIException
label_desc: Use image node_id 14 for calling a global function with example usage: _browser_server_port() and returns: int