InvalidKeyException example

$this->appMapping = null;
    }

    /** * @throws InvalidKeyException * @throws InvalidUuidException */
    private function validate(string $key, ?string $salesChannelId): void
    {
        $key = trim($key);
        if ($key === '') {
            throw new InvalidKeyException('key may not be empty');
        }
        if ($salesChannelId && !Uuid::isValid($salesChannelId)) {
            throw new InvalidUuidException($salesChannelId);
        }
    }

    /** * @return array<string, string> */
    private function getAppMapping(): array
    {