@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>
Additional information for the API invocation, such as the request
tracking id.
</pre>

<code>.google.cloud.talent.v4beta1.ResponseMetadata metadata = 3;</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/ListCompaniesResponse.java