public DataSource withDataSourceArn(String dataSourceArn) {
        setDataSourceArn(dataSourceArn);
        return this;
    }
<p>
The data source Amazon Resource Name (ARN).
</p>

@param dataSourceArn
       The data source Amazon Resource Name (ARN).
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-appsync/src/main/java/com/amazonaws/services/appsync/model/DataSource.java