public void setSource(SourceDescription source) {
        this.source = source;
    }
<p>
If the <code>DeliveryStreamType</code> parameter is <code>KinesisStreamAsSource</code>, a
<a>SourceDescription</a> object describing the source Kinesis data stream.
</p>

@param source
       If the <code>DeliveryStreamType</code> parameter is <code>KinesisStreamAsSource</code>, a
       <a>SourceDescription</a> object describing the source Kinesis data stream.
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisfirehose/model/DeliveryStreamDescription.java