public void setDatasetArn(String datasetArn) {
        this.datasetArn = datasetArn;
    }
<p>
The ARN of an Amazon Rekognition Custom Labels dataset that you want to copy.
</p>

@param datasetArn
       The ARN of an Amazon Rekognition Custom Labels dataset that you want to copy.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/DatasetSource.java