docs: def set_end_date(self, date):
          """Sets the end date.
  
          arg:    date (osid.calendaring.DateTime): the new date
          raise:  InvalidArgument - ``date`` is invalid
          raise:  NoAccess - ``Metadata.isReadOnly()`` is ``true``
          raise:  NullArgument - ``date`` is ``null``
          *compliance: mandatory -- This method must be implemented.*
  
          """
          if self.get_end_date_metadata().is_read_only():
              raise errors.NoAccess()
          if not self._is_valid_date_time(date, self.get_end_date_metadata()):
              raise errors.InvalidArgument()
          # self._my_map['endDate'] = self._get_date_map(date)
          self._my_map['endDate'] = date