ETag         string
	Size         int64

	// Owner of the object.
	Owner *Owner `xml:"Owner,omitempty"`

	// The class of storage used to store the object.
	StorageClass string

	// UserMetadata user-defined metadata
	UserMetadata *Metadata `xml:"UserMetadata,omitempty"`
	UserTags     string    `xml:"UserTags,omitempty"`

	Internal *ObjectInternalInfo `xml:"Internal,omitempty"`
}