@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (((bitField0_ & 0x00000001) != 0)) {
        output.writeMessage(1, getAnnotation());
      }
      getUnknownFields().writeTo(output);
    }
<pre>
The struct format of the actual annotation.
</pre>

<code>.google.protobuf.Struct annotation = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AppPlatformCloudFunctionResponse.java