public StartTestSetGenerationRequest withGenerationDataSource(TestSetGenerationDataSource generationDataSource) {
        setGenerationDataSource(generationDataSource);
        return this;
    }
<p>
The data source for the test set generation.
</p>

@param generationDataSource
       The data source for the test set generation.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/StartTestSetGenerationRequest.java