@requires_firmware(<NUM_LIT>)<EOL><INDENT>def write_config_variables2(self, config_vars):<DEDENT>
logger.warning("<STR_LIT>")<EOL>return<EOL>
Write configuration variables 2 to non-volatile memory.

        **NOTE: This method is currently a placeholder and is not implemented.**
        **NOTE: This method is supported by firmware v18+.**

        :param config_vars: dictionary containing the configuration variables

        :type config_vars: dictionary