@Override
public TransformResult finishBundle() throws Exception {
// State is initialized within the constructor. It can never be null.
CopyOnAccessInMemoryStateInternals<?> state = stepContext.commitState();
return StepTransformResult.withHold(application, state.getEarliestWatermarkHold())
.withState(state)
.addOutput(outputBundles)
.withTimerUpdate(stepContext.getTimerUpdate())
.withAggregatorChanges(aggregatorChanges)
.addUnprocessedElements(unprocessedElements.build())
.build();
}
