internal PeriodicScheduleBuilder(NextScheduleBuilder builder, int frequency) { this.builder = builder; this.frequency = frequency; }
internal OrdinalScheduleBuilder(NextScheduleBuilder builder, OrdinalWeek week, DayOfWeek day) { this.builder = builder; this.week = week; this.day = day; }
internal NextPeriodicScheduleBuilder(NextScheduleBuilder builder, int frequency, DateInterval interval) { this.builder = builder; this.frequency = frequency; this.interval = interval; }