private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getInputConfigFieldBuilder();
      }
    }
<pre>
Request message for the `ImportProductSets` method.
</pre>

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