private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getInputArgsFieldBuilder();
        getOutputArgsFieldBuilder();
        getAttributesFieldBuilder();
        getResourcesFieldBuilder();
      }
    }
<pre>
Defines the interface of an Operator.

Arguments to an operator are input/output streams that are getting
processesed/returned while attributes are fixed configuration parameters.
</pre>

Protobuf type {@code google.cloud.visionai.v1.OperatorDefinition}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OperatorDefinition.java