@java.lang.Override
    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.setUnknownFields(unknownFields);
    }
<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