protected function extractGApiAuthConfigSettings(array $configData, OutputInterface $output)
    {
        $options = [];

        // Parsing paths
        foreach (array('gApiOAuthSecretFile', 'gApiAccessTokenFile') as $option) {
            if (!isset($configData[self::ROOT_CONFIG_G_API_ACCESS_KEY][$option])) {
                continue;
            }
            if (!is_string($path = $configData[self::ROOT_CONFIG_G_API_ACCESS_KEY][$option])) {
                $this->writeError($output, 'The ['. self::ROOT_CONFIG_G_API_ACCESS_KEY .'] ['.$option.'] option value from the configuration file is not a string');
                continue;
            }

            $options[$option] = $this->getFullPath(dirname($this->findConfigFile($output)), $path);
        }

        return $options;
    }