@java.lang.Override
        protected Builder newBuilderForType(
                com.google.protobuf.GeneratedMessage.BuilderParent parent) {
            return new Builder(parent);
        }
<code>optional string format = 4;</code>

@return The bytes for format.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/file/VideoFile.java