class JobConfigurationForAsynchronousItemProcessingWithVirtualThreads {

	@Bean
	public ItemReader<Integer> itemReader() {
		return new ListItemReader<>(Arrays.asList(0, 1, 2, 3, 4, 5));
	}

	@Bean
	public AsyncItemProcessor<Integer, Integer> itemProcessor() {<FILL_FUNCTION_BODY>}

	@Bean
	public AsyncItemWriter<Integer> itemWriter() {
		AsyncItemWriter<Integer> asyncItemWriter = new AsyncItemWriter<>();
		asyncItemWriter.setDelegate(items -> {
			for (Integer item : items) {
				System.out.println(Thread.currentThread() + ": writing item " + item);
			}
		});
		return asyncItemWriter;
	}

	@Bean
	public Job job(JobRepository jobRepository, JdbcTransactionManager transactionManager,
			ItemReader<Integer> itemReader, AsyncItemProcessor<Integer, Integer> itemProcessor,
			AsyncItemWriter<Integer> itemWriter) {
		Step step = new StepBuilder("step", jobRepository).<Integer, Future<Integer>>chunk(2, transactionManager)
			.reader(itemReader)
			.processor(itemProcessor)
			.writer(itemWriter)
			.build();
		return new JobBuilder("job", jobRepository).start(step).build();
	}

}

		AsyncItemProcessor<Integer, Integer> asyncItemProcessor = new AsyncItemProcessor<>();
		asyncItemProcessor.setDelegate(item -> {
			System.out.println(Thread.currentThread() + ": processing item " + item);
			return item + 1;
		});
		asyncItemProcessor.setTaskExecutor(new VirtualThreadTaskExecutor("spring-batch-"));
		return asyncItemProcessor;
	
<no_super_class>