// Bucket name, which consists of bucketname-appid (appid must be included), can be viewed in the COS console. https://console.tencentcloud.com/cos5/bucket
let bucket = "examplebucket-1250000000";
let request = new DeleteMultipleObjectRequest(bucket);

let objects = new List<DeleteObject>();
objects.add(new DeleteObject("dir/object1"))
objects.add(new DeleteObject("dir/object2"));
request.objects = objects;

try {
  let result = await CosXmlBaseService.default().deleteMultipleObject(request)
  // result includes http headers, etc.
} catch (e) {
  // Exception handling
}