private com.google.protobuf.SingleFieldBuilder<im.turms.server.common.access.client.dto.request.message.UpdateMessageRequest, im.turms.server.common.access.client.dto.request.message.UpdateMessageRequest.Builder, im.turms.server.common.access.client.dto.request.message.UpdateMessageRequestOrBuilder> getUpdateMessageRequestFieldBuilder() {
            if (updateMessageRequestBuilder_ == null) {
                if (!(kindCase_ == 10)) {
                    kind_ = im.turms.server.common.access.client.dto.request.message.UpdateMessageRequest
                            .getDefaultInstance();
                }
                updateMessageRequestBuilder_ = new com.google.protobuf.SingleFieldBuilder<>(
                        (im.turms.server.common.access.client.dto.request.message.UpdateMessageRequest) kind_,
                        getParentForChildren(),
                        isClean());
                kind_ = null;
            }
            kindCase_ = 10;
            onChanged();
            return updateMessageRequestBuilder_;
        }
<code>.im.turms.proto.UpdateMessageRequest update_message_request = 10;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/TurmsRequest.java