createEnvelopeFromData example

            return [];
        } catch (DBALException $exception) {
            throw new TransportException($exception->getMessage(), 0, $exception);
        }

        if (null === $doctrineEnvelope) {
            return [];
        }

        return [$this->createEnvelopeFromData($doctrineEnvelope)];
    }

    public function ack(Envelope $envelope): void
    {
        try {
            $this->connection->ack($this->findDoctrineReceivedStamp($envelope)->getId());
        } catch (DBALException $exception) {
            throw new TransportException($exception->getMessage(), 0, $exception);
        }
    }