private com.google.protobuf.SingleFieldBuilder<im.turms.server.common.access.client.dto.request.user.relationship.DeleteRelationshipGroupRequest, im.turms.server.common.access.client.dto.request.user.relationship.DeleteRelationshipGroupRequest.Builder, im.turms.server.common.access.client.dto.request.user.relationship.DeleteRelationshipGroupRequestOrBuilder> getDeleteRelationshipGroupRequestFieldBuilder() {
            if (deleteRelationshipGroupRequestBuilder_ == null) {
                if (!(kindCase_ == 204)) {
                    kind_ = im.turms.server.common.access.client.dto.request.user.relationship.DeleteRelationshipGroupRequest
                            .getDefaultInstance();
                }
                deleteRelationshipGroupRequestBuilder_ =
                        new com.google.protobuf.SingleFieldBuilder<>(
                                (im.turms.server.common.access.client.dto.request.user.relationship.DeleteRelationshipGroupRequest) kind_,
                                getParentForChildren(),
                                isClean());
                kind_ = null;
            }
            kindCase_ = 204;
            onChanged();
            return deleteRelationshipGroupRequestBuilder_;
        }
<code>.im.turms.proto.DeleteRelationshipGroupRequest delete_relationship_group_request = 204;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/TurmsRequest.java