public function modifyAckDeadlineBatch(array $messages, $seconds, array $options = [])
    {
        $this->validateBatch($messages, Message::class);

        $this->connection->modifyAckDeadline($options + [
            'subscription' => $this->name,
            'ackIds' => $this->getMessageAckIds($messages),
            'ackDeadlineSeconds' => $seconds
        ]);
    }