@java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }
<pre>
Required. The ThreatLists to search in.
</pre>

<code>
repeated .google.cloud.webrisk.v1beta1.ThreatType threat_types = 2 [(.google.api.field_behavior) = REQUIRED];
</code>

@param index The index of the value to return.
@return The enum numeric value on the wire of threatTypes at the given index.
java-webrisk/proto-google-cloud-webrisk-v1beta1/src/main/java/com/google/webrisk/v1beta1/SearchHashesRequest.java