w.Header().Set(xhttp.Expires, oi.Expires)
	}

	if oi.CacheControl != "" {
		w.Header().Set(xhttp.CacheControl, oi.CacheControl)
	}

	statusCode()
}

// CondCheck represents the conditional request made to the remote cache
// for validation during GET/HEAD object requests.
type CondCheck struct {
	ObjectInfo
	IfMatch           string     `json:"ifMatch,omitempty" msg:",omitempty"`