public void setSourceArn(String sourceArn) {
        this.sourceArn = sourceArn;
    }
<p>
The ARN of the queue that contains the messages to be moved to another queue. Currently, only ARNs of dead-letter
queues (DLQs) whose sources are other Amazon SQS queues are accepted. DLQs whose sources are non-SQS queues, such
as Lambda or Amazon SNS topics, are not currently supported.
</p>

@param sourceArn
       The ARN of the queue that contains the messages to be moved to another queue. Currently, only ARNs of
       dead-letter queues (DLQs) whose sources are other Amazon SQS queues are accepted. DLQs whose sources are
       non-SQS queues, such as Lambda or Amazon SNS topics, are not currently supported.
aws-java-sdk-sqs/src/main/java/com/amazonaws/services/sqs/model/StartMessageMoveTaskRequest.java