@java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }
<pre>
The encoded 4-byte prefixes of SHA256-formatted entries, using a
Golomb-Rice encoding. The hashes are converted to uint32, sorted in
ascending order, then delta encoded and stored as encoded_data.
</pre>

<code>.google.cloud.webrisk.v1beta1.RiceDeltaEncoding rice_hashes = 2;</code>
java-webrisk/proto-google-cloud-webrisk-v1beta1/src/main/java/com/google/webrisk/v1beta1/ThreatEntryAdditions.java