public static <D extends CalendarVariant<D>> Factory<D> on(
        CalendarFamily<D> family,
        String variant
    ) {

        Class<D> chronoType = family.getChronoType();
        TimeLine<D> timeLine = family.getTimeLine(variant);
        CalendarSystem<D> calsys = family.getCalendarSystem(variant);
        return new Factory<>(chronoType, variant, timeLine, calsys);

    }
public static < D extends CalendarVariant < D > > Factory < D > on ( CalendarFamily < D > family , String variant ) { Class < D > chronoType = family . getChronoType ( ) ; TimeLine < D > timeLine = family . getTimeLine ( variant ) ; CalendarSystem < D > calsys = family . getCalendarSystem ( variant ) ; return new Factory < > ( chronoType , variant , timeLine , calsys ) ; }
/*[deutsch]
<p>Definiert einen Zeitstrahl, auf dem neue generische Kalenderintervalle erzeugt werden k&ouml;nnen. </p>

@param   <D> generic type of timepoints on the underlying timeline
@param   family  calendar family
@param   variant calendar variant
@return  new interval factory
@see     #on(CalendarFamily, VariantSource)