public String getPreviousDataProcessingJobId() {
        return this.previousDataProcessingJobId;
    }
<p>
The job ID of a completed data processing job run on an earlier version of the data.
</p>

@return The job ID of a completed data processing job run on an earlier version of the data.
aws-java-sdk-neptunedata/src/main/java/com/amazonaws/services/neptunedata/model/StartMLDataProcessingJobRequest.java