@abc.abstractmethod<EOL><INDENT>def set_relative_weekday_end_offset(self, offset):<DEDENT>
pass<EOL>
Sets the relative weekday offset as the nth weekday from the relative event.

        :param offset: the week offset
        :type offset: ``integer``
        :raise: ``InvalidArgument`` -- ``offset`` is invalid
        :raise: ``NoAccess`` -- ``offset`` cannot be modified

        *compliance: mandatory -- This method must be implemented.*