public String getReferenceId() {
        return this.referenceId;
    }
<p>
ID of the reference data source. This is the ID that Amazon Kinesis Analytics assigns when you add the reference
data source to your application using the <a
href="https://docs.aws.amazon.com/kinesisanalytics/latest/dev/API_AddApplicationReferenceDataSource.html"
>AddApplicationReferenceDataSource</a> operation.
</p>

@return ID of the reference data source. This is the ID that Amazon Kinesis Analytics assigns when you add the
        reference data source to your application using the <a href=
        "https://docs.aws.amazon.com/kinesisanalytics/latest/dev/API_AddApplicationReferenceDataSource.html"
        >AddApplicationReferenceDataSource</a> operation.
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisanalytics/model/ReferenceDataSourceDescription.java