public void setVersionId(String versionId) {
        this.versionId = versionId;
    }
<p>
Each time the destination is updated for a delivery stream, the version ID is changed, and the current version ID
is required when updating the destination. This is so that the service knows it is applying the changes to the
correct version of the delivery stream.
</p>

@param versionId
       Each time the destination is updated for a delivery stream, the version ID is changed, and the current
       version ID is required when updating the destination. This is so that the service knows it is applying the
       changes to the correct version of the delivery stream.
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisfirehose/model/DeliveryStreamDescription.java