docs: public static int weekCount(Date start, Date end) {
  		final Calendar startCalendar = Calendar.getInstance();
  		startCalendar.setTime(start);
  		final Calendar endCalendar = Calendar.getInstance();
  		endCalendar.setTime(end);
  
  		final int startWeekofYear = startCalendar.get(Calendar.WEEK_OF_YEAR);
  		final int endWeekofYear = endCalendar.get(Calendar.WEEK_OF_YEAR);
  
  		int count = endWeekofYear - startWeekofYear + 1;
  
  		if (Calendar.SUNDAY != startCalendar.get(Calendar.DAY_OF_WEEK)) {
  			count--;
  		}
  
  		return count;
  	}