docs: public void setSelectionType(MaterialDatePickerType selectionType) {
          this.selectionType = selectionType;
          switch (selectionType) {
              case MONTH_DAY:
                  options.selectMonths = true;
                  break;
              case YEAR_MONTH_DAY:
                  options.selectYears = yearsToDisplay;
                  options.selectMonths = true;
                  break;
              case YEAR:
                  options.selectYears = yearsToDisplay;
                  options.selectMonths = false;
                  break;
          }
      }