public static Builder newBuilder(com.google.cloud.speech.v2.OperationMetadata prototype) {
    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
  }
<pre>
Metadata specific to the BatchRecognize method.
</pre>

<code>.google.cloud.speech.v2.BatchRecognizeMetadata batch_recognize_metadata = 23;</code>
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/OperationMetadata.java