Vsch\TranslationManager\Manager::cachedUsageInfo PHP Method

    public function cachedUsageInfo($key, $locale)
    {
        list($group, $transKey) = self::groupKeyList($key);
        $cacheKey = $this->usageCacheKey($transKey, $locale);
        $value = $group && array_key_exists($group, $this->usageCache()) && array_key_exists($cacheKey, $this->usageCache[$group]) ? $this->usageCache[$group][$cacheKey] : null;
        return $value;
    }