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CalendarConstraints.DateValidator Used to determine whether calendar days are enabled. 
MaterialPickerOnPositiveButtonClickListener<S> Listener that provides the current MaterialCalendar<S> selection. 


CalendarConstraints Used to limit the display range of the calendar and set an openAt month. 
CalendarConstraints.Builder Builder for CalendarConstraints
CompositeDateValidator A CalendarConstraints.DateValidator that accepts a list of Date Validators. 
DateValidatorPointBackward A CalendarConstraints.DateValidator that enables only dates before a given point. 
DateValidatorPointForward A CalendarConstraints.DateValidator that enables dates from a given point forward. 
MaterialDatePicker<S> A Dialog with a header, MaterialCalendar, and set of actions. 
MaterialDatePicker.Builder<S> Used to create MaterialDatePicker instances with default and overridden settings