public void setReferenceSchemaUpdate(SourceSchema referenceSchemaUpdate) {
        this.referenceSchemaUpdate = referenceSchemaUpdate;
    }
<p>
Describes the format of the data in the streaming source, and how each data element maps to corresponding columns
created in the in-application stream.
</p>

@param referenceSchemaUpdate
       Describes the format of the data in the streaming source, and how each data element maps to corresponding
       columns created in the in-application stream.
aws-java-sdk-kinesisanalyticsv2/src/main/java/com/amazonaws/services/kinesisanalyticsv2/model/ReferenceDataSourceUpdate.java