@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + THREAT_TYPE_FIELD_NUMBER;
    hash = (53 * hash) + threatType_;
    hash = (37 * hash) + VERSION_TOKEN_FIELD_NUMBER;
    hash = (53 * hash) + getVersionToken().hashCode();
    if (hasConstraints()) {
      hash = (37 * hash) + CONSTRAINTS_FIELD_NUMBER;
      hash = (53 * hash) + getConstraints().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Required. The constraints associated with this request.
</pre>

<code>
.google.cloud.webrisk.v1.ComputeThreatListDiffRequest.Constraints constraints = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/ComputeThreatListDiffRequest.java