src/Middleware/LanguageSwitcherMiddleware.php
private function __loadConfigFiles()
    {
        $additionalConfigs = $this->config('additionalConfigFiles');
        foreach ($additionalConfigs as $additionalConfig) {
            Configure::load($additionalConfig);
        }
    }
private function __loadConfigFiles()
    {
        $additionalConfigs = $this->config('additionalConfigFiles');
        foreach ($additionalConfigs as $additionalConfig) {
            Configure::load($additionalConfig);
        }
    }
Loads additional config files that require the language to be set correctly.

@return void