def bios_settings(self):
        """Property to provide reference to `BIOSSettings` instance

        It is calculated once when the first time it is queried. On refresh,
        this property gets reset.
        """
        return bios.BIOSSettings(
            self._conn, utils.get_subresource_path_by(self, 'Bios'),
            redfish_version=self.redfish_version)
Property to provide reference to `BIOSSettings` instance

        It is calculated once when the first time it is queried. On refresh,
        this property gets reset.