private function isBaseConfigPropertiesSet(): bool
    {
        return isset(
            $this->config[ConfigurationInterface::KEY_APP_ROOT],
            $this->config[ConfigurationInterface::KEY_CONFIG_ROOT],
            $this->config[ConfigurationInterface::KEY_CACHE_ROOT],
            $this->config[ConfigurationInterface::KEY_THEMES_ROOT],
            $this->config[ConfigurationInterface::KEY_CONTENT_ROOT]
        );
    }