// default case of passing encryption headers to backend
	opts, err := getDefaultOpts(r.Header, false, nil)
	if err != nil {
		return opts, err
	}
	return opts, nil
}

// get ObjectOptions for CompleteMultipart calls
func completeMultipartOpts(ctx context.Context, r *http.Request, bucket, object string) (opts ObjectOptions, err error) {
	mtimeStr := strings.TrimSpace(r.Header.Get(xhttp.MinIOSourceMTime))
	var mtime time.Time

		return true
	}
	return canonicalizeETag(left) == canonicalizeETag(right)
}

// setPutObjHeaders sets all the necessary headers returned back
// upon a success Put/Copy/CompleteMultipart/Delete requests
// to activate delete only headers set delete as true
func setPutObjHeaders(w http.ResponseWriter, objInfo ObjectInfo, delete bool, h http.Header) {