whole_func_string: function getSetWeekYear (input) {
          var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
          return input == null ? year : this.add((input - year), 'y');
      }
func_code_string: function getSetWeekYear (input) {
          var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
          return input == null ? year : this.add((input - year), 'y');
      }
func_documentation_string: MOMENTS