Method from

base/src/main/java/net/time4j/MachineTime.java:1192–1196

(java.time.Duration threeten)

     * @since   4.28
     */
    public static MachineTime<TimeUnit> from(java.time.Duration threeten) {

        return MachineTime.ofPosixUnits(threeten.getSeconds(), threeten.getNano());

    }

    private void createNumber(StringBuilder sb) {