@Override
	public void execute(StepExecution stepExecution) throws JobInterruptedException, UnexpectedJobExecutionException {
		throw new UnsupportedOperationException(
				"Cannot process a StepExecution.  Use a smarter subclass of StepSupport.");
	}
Not supported but provided so that tests can easily create a step.

@throws UnsupportedOperationException always

@see org.springframework.batch.core.Step#execute(org.springframework.batch.core.StepExecution)
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/plugins/job/support/StepSupport.java