eZ\Publish\Core\Limitation\LanguageLimitationType::acceptValue PHP Method

    public function acceptValue(APILimitationValue $limitationValue)
    {
        if (!$limitationValue instanceof APILanguageLimitation) {
            throw new InvalidArgumentType('$limitationValue', 'APILanguageLimitation', $limitationValue);
        } elseif (!is_array($limitationValue->limitationValues)) {
            throw new InvalidArgumentType('$limitationValue->limitationValues', 'array', $limitationValue->limitationValues);
        }
        foreach ($limitationValue->limitationValues as $key => $value) {
            if (!is_string($value)) {
                throw new InvalidArgumentType("\$limitationValue->limitationValues[{$key}]", 'string', $value);
            }
        }
    }