private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getNativeFieldBuilder();
        getVttFieldBuilder();
        getSrtFieldBuilder();
      }
    }
<pre>
Configuration for the format of the results stored to `output`.
</pre>

Protobuf type {@code google.cloud.speech.v2.OutputFormatConfig}
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/OutputFormatConfig.java