public void setReferenceSchema(SourceSchema referenceSchema) {
        this.referenceSchema = referenceSchema;
    }
<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 referenceSchema
       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-kinesis/src/main/java/com/amazonaws/services/kinesisanalytics/model/ReferenceDataSourceDescription.java