def _browser_server_address() -> str:
    """Internet address where users should point their browsers in order to
    connect to the app. Can be IP address or DNS name and path.

    This is used to:
    - Set the correct URL for CORS and XSRF protection purposes.
    - Show the URL on the terminal
    - Open the browser

    Default: 'localhost'
    """
    return "localhost"