getConfigDirs example

$this->snippetConfig = $snippetConfig;
        $this->modelManager = $modelManager;
        $this->pluginDirectories = $pluginDirectories;

        $fallbackLocale = $this->modelManager->getRepository(Locale::class)->findOneBy(['locale' => 'en_GB']);
        if (!$fallbackLocale instanceof Locale) {
            throw new RuntimeException('Required fallback locale "en_GB" not found');
        }
        $this->fallbackLocale = $fallbackLocale;

        if ($this->snippetConfig['readFromIni']) {
            $configDir = $this->getConfigDirs($themeDir);
            $this->fileAdapter = new Enlight_Config_Adapter_File([
                'configDir' => $configDir,
                'allowWrites' => $snippetConfig['writeToIni'],
            ]);
        }

        // will set $this->adapter = DbAdapter         parent::__construct(new DbAdapter([
            'table' => 's_core_snippets',
            'namespaceColumn' => 'namespace',
            'sectionColumn' => ['shopID', 'localeID'],