public DatasetSummary withLastUpdateTime(java.util.Date lastUpdateTime) {
        setLastUpdateTime(lastUpdateTime);
        return this;
    }
<p>
The last time the dataset was updated.
</p>

@param lastUpdateTime
       The last time the dataset was updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iotanalytics/src/main/java/com/amazonaws/services/iotanalytics/model/DatasetSummary.java