public Builder clearUpdateGroupJoinRequestRequest() {
            copyOnWrite();
            instance.clearUpdateGroupJoinRequestRequest();
            return this;
        }
<code>.im.turms.proto.UpdateGroupJoinRequestRequest update_group_join_request_request = 512;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/TurmsRequest.java