@java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }
<pre>
Additional information for the API invocation, such as the request
tracking id.
</pre>

<code>.google.cloud.talent.v4.ResponseMetadata metadata = 2;</code>
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/CompleteQueryResponse.java