public String getReferenceId() {
        return this.referenceId;
    }
<p>
The ID of the reference data source that is being updated. You can use the <a>DescribeApplication</a> operation
to get this value.
</p>

@return The ID of the reference data source that is being updated. You can use the <a>DescribeApplication</a>
        operation to get this value.
aws-java-sdk-kinesisanalyticsv2/src/main/java/com/amazonaws/services/kinesisanalyticsv2/model/ReferenceDataSourceUpdate.java