def console_set_background_flag(con: tcod.console.Console, flag: int) -> None:
    """Change the default blend mode for this console.

    Args:
        con (Console): Any Console instance.
        flag (int): Blend mode to use by default.

    .. deprecated:: 8.5
        Set :any:`Console.default_bg_blend` instead.
    """
    lib.TCOD_console_set_background_flag(_console(con), flag)
Change the default blend mode for this console.

    Args:
        con (Console): Any Console instance.
        flag (int): Blend mode to use by default.

    .. deprecated:: 8.5
        Set :any:`Console.default_bg_blend` instead.