def get_group_entitlement(self, group_id):
        """GetGroupEntitlement.
        [Preview API] Get a group entitlement.
        :param str group_id: ID of the group.
        :rtype: :class:`<GroupEntitlement> <azure.devops.v5_0.member_entitlement_management.models.GroupEntitlement>`
        """
        route_values = {}
        if group_id is not None:
            route_values['groupId'] = self._serialize.url('group_id', group_id, 'str')
        response = self._send(http_method='GET',
                              location_id='2280bffa-58a2-49da-822e-0764a1bb44f7',
                              version='5.0-preview.1',
                              route_values=route_values)
        return self._deserialize('GroupEntitlement', response)
GetGroupEntitlement.
        [Preview API] Get a group entitlement.
        :param str group_id: ID of the group.
        :rtype: :class:`<GroupEntitlement> <azure.devops.v5_0.member_entitlement_management.models.GroupEntitlement>`