public Builder mergeDeleteRelationshipGroupRequest(
                im.turms.client.model.proto.request.user.relationship.DeleteRelationshipGroupRequest value) {
            copyOnWrite();
            instance.mergeDeleteRelationshipGroupRequest(value);
            return this;
        }
<code>.im.turms.proto.DeleteRelationshipGroupRequest delete_relationship_group_request = 204;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/TurmsRequest.java