public function addAllHandlers(
        string $configKeyName = 'handlers',
        string $configFileName = 'monolog.php'
    ) {
        $handlers = $this->config->getValue($configKeyName, $configFileName);
        
        if (!is_array($handlers)) {
            throw new Exception(
                'Handlers list into monolog config file should be an array.',
                self::ERR_HANDLERS_LIST_FORMAT
            );
        }
        
        if (array_key_exists('name', $handlers)) {
            $handlers = [$handlers];
        }
        
        foreach ($handlers as $handlerInfos) {
            $this->addNewHandler($handlerInfos);
        }
    }