How to use the letsencrypt-apache.letsencrypt_apache.configurator.ApacheConfigurator function in letsencrypt-apache

def __init__(self, *args, **kwargs):
        """Initialize an Apache Configurator.

        :param tup version: version of Apache as a tuple (2, 4, 7)
            (used mostly for unittesting)

        """
        version = kwargs.pop("version", None)
        super(ApacheConfigurator, self).__init__(*args, **kwargs)

        # Add name_server association dict
        self.assoc = dict()
        # Outstanding challenges
        self._chall_out = set()

        # These will be set in the prepare function
        self.parser = None
        self.version = version
        self.vhosts = None
        self._enhance_func = {"redirect": self._enable_redirect,
                              "ensure-http-header": self._set_http_header}