code: def update_group_entitlement(self, document, group_id, rule_option=None):
          
          route_values = {}
          if group_id is not None:
              route_values['groupId'] = self._serialize.url('group_id', group_id, 'str')
          query_parameters = {}
          if rule_option is not None:
              query_parameters['ruleOption'] = self._serialize.query('rule_option', rule_option, 'str')
          content = self._serialize.body(document, '[JsonPatchOperation]')
          response = self._send(http_method='PATCH',
                                location_id='2280bffa-58a2-49da-822e-0764a1bb44f7',
                                version='5.0-preview.1',
                                route_values=route_values,
                                query_parameters=query_parameters,
                                content=content,
                                media_type='application/json-patch+json')
          return self._deserialize('GroupEntitlementOperationReference', response)
docs: UpdateGroupEntitlement.
          [Preview API] Update entitlements (License Rule, Extensions Rule, Project memberships etc.) for a group.
          :param :class:`<[JsonPatchOperation]> <azure.devops.v5_0.member_entitlement_management.models.[JsonPatchOperation]>` document: JsonPatchDocument containing the operations to perform on the group.
          :param str group_id: ID of the group.
          :param str rule_option: RuleOption [ApplyGroupRule/TestApplyGroupRule] - specifies if the rules defined in group entitlement should be updated and the changes are applied to it’s members (default option) or just be tested
          :rtype: :class:`<GroupEntitlementOperationReference> <azure.devops.v5_0.member_entitlement_management.models.GroupEntitlementOperationReference>`