public com.google.webrisk.v1.ThreatDiscoveryOrBuilder getThreatDiscoveryOrBuilder() {
      if (threatDiscoveryBuilder_ != null) {
        return threatDiscoveryBuilder_.getMessageOrBuilder();
      } else {
        return threatDiscovery_ == null
            ? com.google.webrisk.v1.ThreatDiscovery.getDefaultInstance()
            : threatDiscovery_;
      }
    }
<pre>
Provides additional information about how the submission was discovered.
</pre>

<code>.google.cloud.webrisk.v1.ThreatDiscovery threat_discovery = 4;</code>
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/SubmitUriRequest.java