private com.google.protobuf.SingleFieldBuilder<im.turms.server.common.access.client.dto.request.group.enrollment.UpdateGroupInvitationRequest, im.turms.server.common.access.client.dto.request.group.enrollment.UpdateGroupInvitationRequest.Builder, im.turms.server.common.access.client.dto.request.group.enrollment.UpdateGroupInvitationRequestOrBuilder> getUpdateGroupInvitationRequestFieldBuilder() {
            if (updateGroupInvitationRequestBuilder_ == null) {
                if (!(kindCase_ == 510)) {
                    kind_ = im.turms.server.common.access.client.dto.request.group.enrollment.UpdateGroupInvitationRequest
                            .getDefaultInstance();
                }
                updateGroupInvitationRequestBuilder_ = new com.google.protobuf.SingleFieldBuilder<>(
                        (im.turms.server.common.access.client.dto.request.group.enrollment.UpdateGroupInvitationRequest) kind_,
                        getParentForChildren(),
                        isClean());
                kind_ = null;
            }
            kindCase_ = 510;
            onChanged();
            return updateGroupInvitationRequestBuilder_;
        }
<code>.im.turms.proto.UpdateGroupInvitationRequest update_group_invitation_request = 510;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/TurmsRequest.java