private com.google.protobuf.SingleFieldBuilder<im.turms.server.common.access.client.dto.model.file.VideoFile.Description, im.turms.server.common.access.client.dto.model.file.VideoFile.Description.Builder, im.turms.server.common.access.client.dto.model.file.VideoFile.DescriptionOrBuilder> getDescriptionFieldBuilder() {
            if (descriptionBuilder_ == null) {
                descriptionBuilder_ = new com.google.protobuf.SingleFieldBuilder<>(
                        getDescription(),
                        getParentForChildren(),
                        isClean());
                description_ = null;
            }
            return descriptionBuilder_;
        }
<code>optional .im.turms.proto.VideoFile.Description description = 1;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/file/VideoFile.java