Returns the content length of the HTTP response.

Returns the status code of the HTTP response.

Gets and sets the RequestId property. ID that uniquely identifies a request. Aliyun keeps track of request IDs. If you have a question about a request, include the request ID in your correspondence.

Contains additional information about the request, such as the md5 value of the object.

访问日志记录要存入的bucket。

存储访问日志记录的object名字前缀，可以为空。