public function isMethodPublic($className, $methodName)
    {
        $className = $this->prepareClassReflectionForUsage($className);
        return (isset($this->classReflectionData[$className][self::DATA_CLASS_METHODS][$methodName][self::DATA_METHOD_VISIBILITY]) && $this->classReflectionData[$className][self::DATA_CLASS_METHODS][$methodName][self::DATA_METHOD_VISIBILITY] === self::VISIBILITY_PUBLIC);
    }