qingstorQingStor Object StorageConfig#Servicer#NameRequiredCommentscredentialYonly support hmac protocolendpointYStorager#NameRequiredCommentsnameYbucket namework_dirNwork dirExample#Init servicercredential: hmac:<account_name>:<account_key>endpoint: https:<account_name>.<endpoint_suffix>CopyInit storagercredential: hmac:<account_name>:<account_key>endpoint: https:<account_name>.<endpoint_suffix>name: <container_name>work_dir: /<work_dir>Copy