public S3ReferenceDataSource getS3ReferenceDataSource() {
        return this.s3ReferenceDataSource;
    }
<p>
Identifies the S3 bucket and object that contains the reference data. Also identifies the IAM role Amazon Kinesis
Analytics can assume to read this object on your behalf. An Amazon Kinesis Analytics application loads reference
data only once. If the data changes, you call the <code>UpdateApplication</code> operation to trigger reloading
of data into your application.
</p>

@return Identifies the S3 bucket and object that contains the reference data. Also identifies the IAM role Amazon
        Kinesis Analytics can assume to read this object on your behalf. An Amazon Kinesis Analytics application
        loads reference data only once. If the data changes, you call the <code>UpdateApplication</code>
        operation to trigger reloading of data into your application.
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisanalytics/model/ReferenceDataSource.java