@java.lang.Override
        public int hashCode() {
            if (memoizedHashCode != 0) {
                return memoizedHashCode;
            }
            int hash = 41;
            hash = (19 * hash) + getDescriptor().hashCode();
            hash = (37 * hash) + URL_FIELD_NUMBER;
            hash = (53 * hash) + getUrl().hashCode();
            if (hasDuration()) {
                hash = (37 * hash) + DURATION_FIELD_NUMBER;
                hash = (53 * hash) + getDuration();
            }
            if (hasSize()) {
                hash = (37 * hash) + SIZE_FIELD_NUMBER;
                hash = (53 * hash) + getSize();
            }
            if (hasFormat()) {
                hash = (37 * hash) + FORMAT_FIELD_NUMBER;
                hash = (53 * hash) + getFormat().hashCode();
            }
            hash = (29 * hash) + getUnknownFields().hashCode();
            memoizedHashCode = hash;
            return hash;
        }
<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