public static com.google.webrisk.v1.ThreatDiscovery parseFrom(byte[] data)
      throws com.google.protobuf.InvalidProtocolBufferException {
    return PARSER.parseFrom(data);
  }
<pre>
CLDR region code of the countries/regions the URI poses a threat ordered
from most impact to least impact. Example: "US" for United States.
</pre>

<code>repeated string region_codes = 2;</code>

@param index The index of the value to return.
@return The bytes of the regionCodes at the given index.
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/ThreatDiscovery.java