def _register_device(self, device_description,
                         permitted_ips):
        """
        :type device_description: str
        :type permitted_ips: list[]

        :rtype: None
        """

        from bunq.sdk.model.device_server_internal import DeviceServerInternal

        DeviceServerInternal.create(
            device_description,
            self.api_key,
            permitted_ips,
            api_context=self
        )
:type device_description: str
        :type permitted_ips: list[]

        :rtype: None