try {
  let listAllMyBuckets: ListAllMyBuckets = await Cos.getDefaultService().getService();
  // For bucket list details, see the `ListAllMyBuckets` class.
} catch (e) {
  // An exception will be reported in case of failure. Process the business logic accordingly.
  console.log(e);
}

// Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
let bucket = "examplebucket-1250000000";
// Bucket region abbreviation. For example, "ap-guangzhou" is the abbreviation of the Guangzhou region
let region = "COS_REGION";
// Whether to enable multi-AZ
let enableMAZ = false;
try {
  await Cos.getDefaultService().putBucket(
      bucket, 
      {
        region: region,
        enableMAZ: enableMAZ
      }
  );
} catch (e) {
  // An exception will be reported in case of failure. Process the business logic accordingly.
  console.log(e);
}

// Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
let bucket = "examplebucket-1250000000";
// Bucket region abbreviation. For example, "ap-guangzhou" is the abbreviation of the Guangzhou region
let region = "COS_REGION";
try {
  let header = await Cos.getDefaultService().headBucket(
      bucket,
      region
  );
  // The HTTP status code is 200, and the HTTP header is `header`.
} catch (e) {
  // View the specific HTTP status code in `e.statusCode`
  console.log(e);
}

// Bucket name in the format of `BucketName-APPID` (`APPID` is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket.
let bucket = "examplebucket-1250000000";
// Bucket region abbreviation. For example, "ap-guangzhou" is the abbreviation of the Guangzhou region
let region = "COS_REGION";
try {
  await Cos.getDefaultService().deleteBucket(
      bucket,
      region
  );
} catch (e) {
  // An exception will be reported in case of failure. Process the business logic accordingly.
  console.log(e);
}