@java.lang.Override
    public com.google.protobuf.Parser<ThreatHash> getParserForType() {
      return PARSER;
    }
<pre>
The cache lifetime for the returned match. Clients must not cache this
response past this timestamp to avoid false positives.
</pre>

<code>.google.protobuf.Timestamp expire_time = 3;</code>
java-webrisk/proto-google-cloud-webrisk-v1beta1/src/main/java/com/google/webrisk/v1beta1/SearchHashesResponse.java