class OssClientWrapper implements InitializingBean, DisposableBean {

	public List<Bucket> listBuckets(){
        ListBucketsRequest listBucketsRequest = new ListBucketsRequest();
        listBucketsRequest.setMaxKeys(500);
        BucketList buckList = ossClient.listBuckets(listBucketsRequest);
        return buckList.getBucketList();
	}

	public  OssClientWrapper(OssProperties ossProperties);

}