@staticmethod
def custom_value_proc(value):
    """Custom value_proc function for the click.prompt which it will call to do value conversion.

        Simply return the value, because we want to take care of value conversion ourselves in the `simple_prompt_loop`.
        If we let `click.prompt` do it, it will raise an exception when the user passes a control character, like the
        question mark, to bring up the help message and the type of the option is not a string, causing conversion to
        fail.
        """
    return value
