question: public DailyTimeIntervalScheduleBuilder onDaysOfTheWeek ( Integer ... onDaysOfWeek ) { Set < Integer > daysAsSet = new HashSet < Integer > ( 12 ) ; Collections . addAll ( daysAsSet , onDaysOfWeek ) ; return onDaysOfTheWeek ( daysAsSet ) ; }
target:  Set the trigger to fire on the given days of the week.