private com.google.protobuf.SingleFieldBuilder<im.turms.server.common.access.client.dto.request.user.relationship.UpdateRelationshipGroupRequest, im.turms.server.common.access.client.dto.request.user.relationship.UpdateRelationshipGroupRequest.Builder, im.turms.server.common.access.client.dto.request.user.relationship.UpdateRelationshipGroupRequestOrBuilder> getUpdateRelationshipGroupRequestFieldBuilder() {
            if (updateRelationshipGroupRequestBuilder_ == null) {
                if (!(kindCase_ == 211)) {
                    kind_ = im.turms.server.common.access.client.dto.request.user.relationship.UpdateRelationshipGroupRequest
                            .getDefaultInstance();
                }
                updateRelationshipGroupRequestBuilder_ =
                        new com.google.protobuf.SingleFieldBuilder<>(
                                (im.turms.server.common.access.client.dto.request.user.relationship.UpdateRelationshipGroupRequest) kind_,
                                getParentForChildren(),
                                isClean());
                kind_ = null;
            }
            kindCase_ = 211;
            onChanged();
            return updateRelationshipGroupRequestBuilder_;
        }
<code>.im.turms.proto.UpdateRelationshipGroupRequest update_relationship_group_request = 211;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/TurmsRequest.java