@java.lang.Override
  public com.google.cloud.visionai.v1.ReceivePacketsControlResponseOrBuilder getControlOrBuilder() {
    if (responseCase_ == 3) {
      return (com.google.cloud.visionai.v1.ReceivePacketsControlResponse) response_;
    }
    return com.google.cloud.visionai.v1.ReceivePacketsControlResponse.getDefaultInstance();
  }
<pre>
A control message from the server.
</pre>

<code>.google.cloud.visionai.v1.ReceivePacketsControlResponse control = 3;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ReceivePacketsResponse.java