public Builder clearThreatDiscovery() {
      bitField0_ = (bitField0_ & ~0x00000008);
      threatDiscovery_ = null;
      if (threatDiscoveryBuilder_ != null) {
        threatDiscoveryBuilder_.dispose();
        threatDiscoveryBuilder_ = null;
      }
      onChanged();
      return this;
    }
<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