@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + PARENT_FIELD_NUMBER;
    hash = (53 * hash) + getParent().hashCode();
    if (hasSubmission()) {
      hash = (37 * hash) + SUBMISSION_FIELD_NUMBER;
      hash = (53 * hash) + getSubmission().hashCode();
    }
    if (hasThreatInfo()) {
      hash = (37 * hash) + THREAT_INFO_FIELD_NUMBER;
      hash = (53 * hash) + getThreatInfo().hashCode();
    }
    if (hasThreatDiscovery()) {
      hash = (37 * hash) + THREAT_DISCOVERY_FIELD_NUMBER;
      hash = (53 * hash) + getThreatDiscovery().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<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